1232900615520 has 1536 divisors, whose sum is σ = 5364817920000. Its totient is φ = 258168176640.

The previous prime is 1232900615503. The next prime is 1232900615537. The reversal of 1232900615520 is 255160092321.

It is a happy number.

1232900615520 is a `hidden beast` number, since 1 + 2 + 32 + 9 + 0 + 0 + 615 + 5 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1232900615503) and next prime (1232900615537).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 4687834909 + ... + 4687835171.

It is an arithmetic number, because the mean of its divisors is an integer number (3492720000).

Almost surely, 2^{1232900615520} is an apocalyptic number.

1232900615520 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 1232900615520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2682408960000).

1232900615520 is an abundant number, since it is smaller than the sum of its proper divisors (4131917304480).

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

1232900615520 is a wasteful number, since it uses less digits than its factorization.

1232900615520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 1232900615520 in words is "one trillion, two hundred thirty-two billion, nine hundred million, six hundred fifteen thousand, five hundred twenty".