312011144120112 has 40 divisors (see below), whose sum is σ = 806658991472640. Its totient is φ = 103922398255680.

The previous prime is 312011144120077. The next prime is 312011144120209. The reversal of 312011144120112 is 211021441110213.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2541077064 + ... + 2541199847.

It is an arithmetic number, because the mean of its divisors is an integer number (20166474786816).

Almost surely, 2^{312011144120112} is an apocalyptic number.

It is an amenable number.

312011144120112 is an abundant number, since it is smaller than the sum of its proper divisors (494647847352528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312011144120112 is a wasteful number, since it uses less digits than its factorization.

312011144120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5082278201 (or 5082278195 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 312011144120112 its reverse (211021441110213), we get a palindrome (523032585230325).

The spelling of 312011144120112 in words is "three hundred twelve trillion, eleven billion, one hundred forty-four million, one hundred twenty thousand, one hundred twelve".