120012312013 has 16 divisors (see below), whose sum is σ = 132593775552. Its totient is φ = 107715520000.

The previous prime is 120012311999. The next prime is 120012312059. The reversal of 120012312013 is 310213210021.

It is not a de Polignac number, because 120012312013 - 2³³ = 111422377421 is a prime.

It is a super-2 number, since 2×120012312013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012312713) 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, 239178 + ... + 545188.

It is an arithmetic number, because the mean of its divisors is an integer number (8287110972).

Almost surely, 2^120012312013 is an apocalyptic number.

It is an amenable number.

120012312013 is a deficient number, since it is larger than the sum of its proper divisors (12581463539).

120012312013 is a wasteful number, since it uses less digits than its factorization.

120012312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306476.

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

Adding to 120012312013 its reverse (310213210021), we get a palindrome (430225522034).

The spelling of 120012312013 in words is "one hundred twenty billion, twelve million, three hundred twelve thousand, thirteen".