1012204600 has 96 divisors (see below), whose sum is σ = 2616060240. Its totient is φ = 361088000.

The previous prime is 1012204561. The next prime is 1012204607. The reversal of 1012204600 is 64022101.

It is a super-2 number, since 2×1012204600² = 2049116304522320000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012204607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112260 + ... + 120940.

Almost surely, 2^1012204600 is an apocalyptic number.

1012204600 is a gapful number since it is divisible by the number (10) 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 1012204600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1308030120).

1012204600 is an abundant number, since it is smaller than the sum of its proper divisors (1603855640).

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

1012204600 is a wasteful number, since it uses less digits than its factorization.

1012204600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8761 (or 8752 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1012204600 is about 31815.1630516017. The cubic root of 1012204600 is about 1004.0517610600.

Adding to 1012204600 its reverse (64022101), we get a palindrome (1076226701).

The spelling of 1012204600 in words is "one billion, twelve million, two hundred four thousand, six hundred".