1230021133020 has 96 divisors (see below), whose sum is σ = 3846767984640. Its totient is φ = 326288301120.

The previous prime is 1230021133001. The next prime is 1230021133043. The reversal of 1230021133020 is 203311200321.

1230021133020 is a `hidden beast` number, since 1 + 2 + 300 + 2 + 11 + 330 + 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 = 1230021132984 and 1230021133002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5859732 + ... + 6066011.

It is an arithmetic number, because the mean of its divisors is an integer number (40070499840).

Almost surely, 2^{1230021133020} is an apocalyptic number.

1230021133020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230021133020 is an abundant number, since it is smaller than the sum of its proper divisors (2616746851620).

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

1230021133020 is a wasteful number, since it uses less digits than its factorization.

1230021133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11925952 (or 11925944 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1230021133020 its reverse (203311200321), we get a palindrome (1433332333341).

The spelling of 1230021133020 in words is "one trillion, two hundred thirty billion, twenty-one million, one hundred thirty-three thousand, twenty".