312142051453240 has 32 divisors (see below), whose sum is σ = 702330496938000. Its totient is φ = 124854886151424.

The previous prime is 312142051453159. The next prime is 312142051453261. The reversal of 312142051453240 is 42354150241213.

It is a self number, because there is not a number n which added to its sum of digits gives 312142051453240.

It is a congruent number.

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, 57835485 + ... + 63001804.

Almost surely, 2^{312142051453240} is an apocalyptic number.

It is an amenable number.

312142051453240 is an abundant number, since it is smaller than the sum of its proper divisors (390188445484760).

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

312142051453240 is a wasteful number, since it uses less digits than its factorization.

312142051453240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120901879 (or 120901875 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 312142051453240 in words is "three hundred twelve trillion, one hundred forty-two billion, fifty-one million, four hundred fifty-three thousand, two hundred forty".