312212222211102 has 32 divisors (see below), whose sum is σ = 631659631449600. Its totient is φ = 102868316647200.

The previous prime is 312212222211101. The next prime is 312212222211107. The reversal of 312212222211102 is 201112222212213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312212222211101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429688498 + ... + 430414485.

It is an arithmetic number, because the mean of its divisors is an integer number (19739363482800).

Almost surely, 2^{312212222211102} is an apocalyptic number.

312212222211102 is an abundant number, since it is smaller than the sum of its proper divisors (319447409238498).

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

312212222211102 is a wasteful number, since it uses less digits than its factorization.

312212222211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860103688.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 312212222211102 its reverse (201112222212213), we get a palindrome (513324444423315).

The spelling of 312212222211102 in words is "three hundred twelve trillion, two hundred twelve billion, two hundred twenty-two million, two hundred eleven thousand, one hundred two".