156212111124213 has 16 divisors (see below), whose sum is σ = 221413369617216. Its totient is φ = 97624942496000.

The previous prime is 156212111124193. The next prime is 156212111124229. The reversal of 156212111124213 is 312421111212651.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 156212111124213 - 2⁶ = 156212111124149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156212111124253) 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, 6101546106 + ... + 6101571707.

It is an arithmetic number, because the mean of its divisors is an integer number (13838335601076).

Almost surely, 2^{156212111124213} is an apocalyptic number.

It is an amenable number.

156212111124213 is a deficient number, since it is larger than the sum of its proper divisors (65201258493003).

156212111124213 is a wasteful number, since it uses less digits than its factorization.

156212111124213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12203118084.

The product of its digits is 5760, while the sum is 33.

Adding to 156212111124213 its reverse (312421111212651), we get a palindrome (468633222336864).

The spelling of 156212111124213 in words is "one hundred fifty-six trillion, two hundred twelve billion, one hundred eleven million, one hundred twenty-four thousand, two hundred thirteen".