612612300 has 54 divisors (see below), whose sum is σ = 1773732828. Its totient is φ = 163248960.

The previous prime is 612612263. The next prime is 612612349. The reversal of 612612300 is 3216216.

It is a happy number.

It is a super-2 number, since 2×612612300² = 750587660222580000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 427986 + ... + 429414.

Almost surely, 2^612612300 is an apocalyptic number.

612612300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

612612300 is an abundant number, since it is smaller than the sum of its proper divisors (1161120528).

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

612612300 is a wasteful number, since it uses less digits than its factorization.

612612300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 612612300 is about 24751.0060401593. The cubic root of 612612300 is about 849.3015253889.

Multiplying 612612300 by its product of nonzero digits (432), we get a square (264648513600 = 514440²).

Adding to 612612300 its reverse (3216216), we get a palindrome (615828516).

The spelling of 612612300 in words is "six hundred twelve million, six hundred twelve thousand, three hundred".