12101020011213 has 16 divisors (see below), whose sum is σ = 18741938879616. Its totient is φ = 6801510075840.

The previous prime is 12101020011187. The next prime is 12101020011233. The reversal of 12101020011213 is 31211002010121.

It is not a de Polignac number, because 12101020011213 - 2²¹ = 12101017914061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12101020011192 and 12101020011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101020011233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4723269606 + ... + 4723272167.

It is an arithmetic number, because the mean of its divisors is an integer number (1171371179976).

Almost surely, 2^{12101020011213} is an apocalyptic number.

It is an amenable number.

12101020011213 is a deficient number, since it is larger than the sum of its proper divisors (6640918868403).

12101020011213 is an equidigital number, since it uses as much as digits as its factorization.

12101020011213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9446541844.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12101020011213 its reverse (31211002010121), we get a palindrome (43312022021334).

The spelling of 12101020011213 in words is "twelve trillion, one hundred one billion, twenty million, eleven thousand, two hundred thirteen".