312200030122120 has 32 divisors (see below), whose sum is σ = 802800077457600. Its totient is φ = 107040010327488.

The previous prime is 312200030122091. The next prime is 312200030122121. The reversal of 312200030122120 is 21221030002213.

It is a super-2 number, since 2×312200030122120² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312200030122121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557500053510 + ... + 557500054069.

It is an arithmetic number, because the mean of its divisors is an integer number (25087502420550).

Almost surely, 2^{312200030122120} is an apocalyptic number.

It is an amenable number.

312200030122120 is an abundant number, since it is smaller than the sum of its proper divisors (490600047335480).

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

312200030122120 is a wasteful number, since it uses less digits than its factorization.

312200030122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115000107597 (or 1115000107593 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312200030122120 its reverse (21221030002213), we get a palindrome (333421060124333).

The spelling of 312200030122120 in words is "three hundred twelve trillion, two hundred billion, thirty million, one hundred twenty-two thousand, one hundred twenty".