2312122221302 has 16 divisors (see below), whose sum is σ = 3473054446752. Its totient is φ = 1154438268480.

The previous prime is 2312122221271. The next prime is 2312122221359. The reversal of 2312122221302 is 2031222212132.

It is a happy number.

It is a congruent number.

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, 5193527 + ... + 5621117.

It is an arithmetic number, because the mean of its divisors is an integer number (217065902922).

Almost surely, 2^{2312122221302} is an apocalyptic number.

2312122221302 is a deficient number, since it is larger than the sum of its proper divisors (1160932225450).

2312122221302 is a wasteful number, since it uses less digits than its factorization.

2312122221302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431383.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2312122221302 its reverse (2031222212132), we get a palindrome (4343344433434).

The spelling of 2312122221302 in words is "two trillion, three hundred twelve billion, one hundred twenty-two million, two hundred twenty-one thousand, three hundred two".