123012002113 has 16 divisors (see below), whose sum is σ = 165162969216. Its totient is φ = 88480160640.

The previous prime is 123012002107. The next prime is 123012002123. The reversal of 123012002113 is 311200210321.

It is a cyclic number.

It is not a de Polignac number, because 123012002113 - 2³³ = 114422067521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123012002123) 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, 61443556 + ... + 61445557.

It is an arithmetic number, because the mean of its divisors is an integer number (10322685576).

Almost surely, 2^123012002113 is an apocalyptic number.

123012002113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123012002113 is a deficient number, since it is larger than the sum of its proper divisors (42150967103).

123012002113 is a wasteful number, since it uses less digits than its factorization.

123012002113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122889144.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 123012002113 its reverse (311200210321), we get a palindrome (434212212434).

The spelling of 123012002113 in words is "one hundred twenty-three billion, twelve million, two thousand, one hundred thirteen".