1230115412520 has 192 divisors, whose sum is σ = 4051859844240. Its totient is φ = 323624448000.

The previous prime is 1230115412507. The next prime is 1230115412551. The reversal of 1230115412520 is 252145110321.

It is a happy number.

1230115412520 is a `hidden beast` number, since 1 + 23 + 0 + 115 + 4 + 1 + 2 + 520 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1125640365444 + 104475047076 = 1060962^2 + 323226^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10156962 + ... + 10277358.

Almost surely, 2^{1230115412520} is an apocalyptic number.

1230115412520 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 1230115412520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2025929922120).

1230115412520 is an abundant number, since it is smaller than the sum of its proper divisors (2821744431720).

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

1230115412520 is a wasteful number, since it uses less digits than its factorization.

1230115412520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120796 (or 120789 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 1230115412520 in words is "one trillion, two hundred thirty billion, one hundred fifteen million, four hundred twelve thousand, five hundred twenty".