312002120122130 has 16 divisors (see below), whose sum is σ = 567393546285720. Its totient is φ = 123514241367552.

The previous prime is 312002120122097. The next prime is 312002120122169. The reversal of 312002120122130 is 31221021200213.

It can be written as a sum of positive squares in 4 ways, for example, as 307618871230489 + 4383248891641 = 17539067^2 + 2093621^2 .

It is a super-2 number, since 2×312002120122130² (a number of 30 digits) contains 22 as substring.

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, 160825834145 + ... + 160825836084.

Almost surely, 2^{312002120122130} is an apocalyptic number.

312002120122130 is a deficient number, since it is larger than the sum of its proper divisors (255391426163590).

312002120122130 is a wasteful number, since it uses less digits than its factorization.

312002120122130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321651670333.

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

Adding to 312002120122130 its reverse (31221021200213), we get a palindrome (343223141322343).

The spelling of 312002120122130 in words is "three hundred twelve trillion, two billion, one hundred twenty million, one hundred twenty-two thousand, one hundred thirty".