1230873312 has 48 divisors (see below), whose sum is σ = 3241510272. Its totient is φ = 408961920.

The previous prime is 1230873239. The next prime is 1230873331. The reversal of 1230873312 is 2133780321.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1230873312² = 3030098220387698688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1230873312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9243 + ... + 50469.

It is an arithmetic number, because the mean of its divisors is an integer number (67531464).

Almost surely, 2^1230873312 is an apocalyptic number.

1230873312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230873312 is an abundant number, since it is smaller than the sum of its proper divisors (2010636960).

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

1230873312 is a wasteful number, since it uses less digits than its factorization.

1230873312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41551 (or 41543 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1230873312 is about 35083.8041266907. The cubic root of 1230873312 is about 1071.6947876184.

The spelling of 1230873312 in words is "one billion, two hundred thirty million, eight hundred seventy-three thousand, three hundred twelve".