312000311120240 has 80 divisors (see below), whose sum is σ = 740861132424192. Its totient is φ = 122140458024192.

The previous prime is 312000311120221. The next prime is 312000311120291. The reversal of 312000311120240 is 42021113000213.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105273557 + ... + 108196683.

Almost surely, 2^{312000311120240} is an apocalyptic number.

It is an amenable number.

312000311120240 is an abundant number, since it is smaller than the sum of its proper divisors (428860821303952).

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

312000311120240 is a wasteful number, since it uses less digits than its factorization.

312000311120240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951574 (or 2951568 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 312000311120240 its reverse (42021113000213), we get a palindrome (354021424120453).

The spelling of 312000311120240 in words is "three hundred twelve trillion, three hundred eleven million, one hundred twenty thousand, two hundred forty".