12101020111210 has 16 divisors (see below), whose sum is σ = 21816355761792. Its totient is φ = 4832737030800.

The previous prime is 12101020111199. The next prime is 12101020111247. The reversal of 12101020111210 is 1211102010121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958870086 + ... + 958882705.

It is an arithmetic number, because the mean of its divisors is an integer number (1363522235112).

Almost surely, 2^{12101020111210} is an apocalyptic number.

12101020111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101020111210 is a deficient number, since it is larger than the sum of its proper divisors (9715335650582).

12101020111210 is a wasteful number, since it uses less digits than its factorization.

12101020111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917753429.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12101020111210 its reverse (1211102010121), we get a palindrome (13312122121331).

The spelling of 12101020111210 in words is "twelve trillion, one hundred one billion, twenty million, one hundred eleven thousand, two hundred ten".