312012011013 has 16 divisors (see below), whose sum is σ = 416616514560. Its totient is φ = 207707867136.

The previous prime is 312012010957. The next prime is 312012011117. The reversal of 312012011013 is 310110210213.

It is a happy number.

It is not a de Polignac number, because 312012011013 - 2¹⁷ = 312011879941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312012010983 and 312012011001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312012015013) 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, 15369756 + ... + 15390042.

It is an arithmetic number, because the mean of its divisors is an integer number (26038532160).

Almost surely, 2^312012011013 is an apocalyptic number.

It is an amenable number.

312012011013 is a deficient number, since it is larger than the sum of its proper divisors (104604503547).

312012011013 is a wasteful number, since it uses less digits than its factorization.

312012011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27436.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 312012011013 its reverse (310110210213), we get a palindrome (622122221226).

The spelling of 312012011013 in words is "three hundred twelve billion, twelve million, eleven thousand, thirteen".