113212123007 has 4 divisors (see below), whose sum is σ = 113706499320. Its totient is φ = 112717746696.

The previous prime is 113212122997. The next prime is 113212123021. The reversal of 113212123007 is 700321212311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113212123007 - 2¹² = 113212118911 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 (113212123097) 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, 247187813 + ... + 247188270.

It is an arithmetic number, because the mean of its divisors is an integer number (28426624830).

Almost surely, 2^113212123007 is an apocalyptic number.

113212123007 is a deficient number, since it is larger than the sum of its proper divisors (494376313).

113212123007 is an equidigital number, since it uses as much as digits as its factorization.

113212123007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494376312.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 113212123007 its reverse (700321212311), we get a palindrome (813533335318).

The spelling of 113212123007 in words is "one hundred thirteen billion, two hundred twelve million, one hundred twenty-three thousand, seven".