312222001120120 has 128 divisors (see below), whose sum is σ = 882259972272000. Its totient is φ = 98813116781568.

The previous prime is 312222001120109. The next prime is 312222001120123. The reversal of 312222001120120 is 21021100222213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312222001120123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 875079549 + ... + 875436268.

It is an arithmetic number, because the mean of its divisors is an integer number (6892656033375).

Almost surely, 2^{312222001120120} is an apocalyptic number.

It is an amenable number.

312222001120120 is an abundant number, since it is smaller than the sum of its proper divisors (570037971151880).

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

312222001120120 is a wasteful number, since it uses less digits than its factorization.

312222001120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750515862 (or 1750515844 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 312222001120120 its reverse (21021100222213), we get a palindrome (333243101342333).

The spelling of 312222001120120 in words is "three hundred twelve trillion, two hundred twenty-two billion, one million, one hundred twenty thousand, one hundred twenty".