1210011202120 has 64 divisors (see below), whose sum is σ = 3170164158720. Its totient is φ = 407033412864.

The previous prime is 1210011202111. The next prime is 1210011202133. The reversal of 1210011202120 is 212021100121.

It is a self number, because there is not a number n which added to its sum of digits gives 1210011202120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40753732 + ... + 40783411.

It is an arithmetic number, because the mean of its divisors is an integer number (49533814980).

Almost surely, 2^{1210011202120} is an apocalyptic number.

1210011202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210011202120 is an abundant number, since it is smaller than the sum of its proper divisors (1960152956600).

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

1210011202120 is a wasteful number, since it uses less digits than its factorization.

1210011202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81537214 (or 81537210 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1210011202120 its reverse (212021100121), we get a palindrome (1422032302241).

The spelling of 1210011202120 in words is "one trillion, two hundred ten billion, eleven million, two hundred two thousand, one hundred twenty".