2451212000 has 96 divisors (see below), whose sum is σ = 6099649920. Its totient is φ = 967948800.

The previous prime is 2451211991. The next prime is 2451212003. The reversal of 2451212000 is 2121542.

It is a self number, because there is not a number n which added to its sum of digits gives 2451212000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451212003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312122 + ... + 319878.

It is an arithmetic number, because the mean of its divisors is an integer number (63538020).

Almost surely, 2^2451212000 is an apocalyptic number.

2451212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2451212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3049824960).

2451212000 is an abundant number, since it is smaller than the sum of its proper divisors (3648437920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2451212000 is an equidigital number, since it uses as much as digits as its factorization.

2451212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7861 (or 7843 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2451212000 is about 49509.7162181324. The cubic root of 2451212000 is about 1348.3220121389.

Adding to 2451212000 its reverse (2121542), we get a palindrome (2453333542).

The spelling of 2451212000 in words is "two billion, four hundred fifty-one million, two hundred twelve thousand".