1230232012020 has 72 divisors (see below), whose sum is σ = 4070949573600. Its totient is φ = 298238063040.

The previous prime is 1230232011923. The next prime is 1230232012049. The reversal of 1230232012020 is 202102320321.

1230232012020 is a `hidden beast` number, since 1 + 2 + 302 + 320 + 1 + 20 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1230232011984 and 1230232012002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310662670 + ... + 310666629.

It is an arithmetic number, because the mean of its divisors is an integer number (56540966300).

Almost surely, 2^{1230232012020} is an apocalyptic number.

1230232012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230232012020 is an abundant number, since it is smaller than the sum of its proper divisors (2840717561580).

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

1230232012020 is a wasteful number, since it uses less digits than its factorization.

1230232012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621329325 (or 621329320 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1230232012020 its reverse (202102320321), we get a palindrome (1432334332341).

The spelling of 1230232012020 in words is "one trillion, two hundred thirty billion, two hundred thirty-two million, twelve thousand, twenty".