312212343303102 has 32 divisors (see below), whose sum is σ = 721260600574464. Its totient is φ = 89044518588800.

The previous prime is 312212343303089. The next prime is 312212343303121. The reversal of 312212343303102 is 201303343212213.

It is a self number, because there is not a number n which added to its sum of digits gives 312212343303102.

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, 139132059174 + ... + 139132061417.

It is an arithmetic number, because the mean of its divisors is an integer number (22539393767952).

Almost surely, 2^{312212343303102} is an apocalyptic number.

312212343303102 is an abundant number, since it is smaller than the sum of its proper divisors (409048257271362).

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

312212343303102 is a wasteful number, since it uses less digits than its factorization.

312212343303102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278264120624.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 312212343303102 its reverse (201303343212213), we get a palindrome (513515686515315).

The spelling of 312212343303102 in words is "three hundred twelve trillion, two hundred twelve billion, three hundred forty-three million, three hundred three thousand, one hundred two".