12101012213 has 4 divisors (see below), whose sum is σ = 12101272128. Its totient is φ = 12100752300.

The previous prime is 12101012197. The next prime is 12101012221. The reversal of 12101012213 is 31221010121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12101012213 - 2⁴ = 12101012197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101012113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38813 + ... + 160338.

It is an arithmetic number, because the mean of its divisors is an integer number (3025318032).

Almost surely, 2^12101012213 is an apocalyptic number.

It is an amenable number.

12101012213 is a deficient number, since it is larger than the sum of its proper divisors (259915).

12101012213 is an equidigital number, since it uses as much as digits as its factorization.

12101012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259914.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12101012213 its reverse (31221010121), we get a palindrome (43322022334).

The spelling of 12101012213 in words is "twelve billion, one hundred one million, twelve thousand, two hundred thirteen".