212113123013 has 16 divisors (see below), whose sum is σ = 234052260480. Its totient is φ = 190617715200.

The previous prime is 212113123003. The next prime is 212113123063. The reversal of 212113123013 is 310321311212.

It is a happy number.

It is not a de Polignac number, because 212113123013 - 2¹⁴ = 212113106629 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 (212113123003) 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, 4447373 + ... + 4494813.

It is an arithmetic number, because the mean of its divisors is an integer number (14628266280).

Almost surely, 2^212113123013 is an apocalyptic number.

It is an amenable number.

212113123013 is a deficient number, since it is larger than the sum of its proper divisors (21939137467).

212113123013 is a wasteful number, since it uses less digits than its factorization.

212113123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52108.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 212113123013 its reverse (310321311212), we get a palindrome (522434434225).

The spelling of 212113123013 in words is "two hundred twelve billion, one hundred thirteen million, one hundred twenty-three thousand, thirteen".