1013211203120 has 20 divisors (see below), whose sum is σ = 2355716047440. Its totient is φ = 405284481216.

The previous prime is 1013211203107. The next prime is 1013211203171. The reversal of 1013211203120 is 213021123101.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6332569940 + ... + 6332570099.

It is an arithmetic number, because the mean of its divisors is an integer number (117785802372).

Almost surely, 2^{1013211203120} is an apocalyptic number.

1013211203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013211203120 is an abundant number, since it is smaller than the sum of its proper divisors (1342504844320).

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

1013211203120 is a wasteful number, since it uses less digits than its factorization.

1013211203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12665140052 (or 12665140046 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1013211203120 its reverse (213021123101), we get a palindrome (1226232326221).

The spelling of 1013211203120 in words is "one trillion, thirteen billion, two hundred eleven million, two hundred three thousand, one hundred twenty".