2012311123402 has 128 divisors (see below), whose sum is σ = 3469132800000. Its totient is φ = 870283636992.

The previous prime is 2012311123337. The next prime is 2012311123451. The reversal of 2012311123402 is 2043211132102.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 842322424 + ... + 842324812.

It is an arithmetic number, because the mean of its divisors is an integer number (27102600000).

Almost surely, 2^{2012311123402} is an apocalyptic number.

2012311123402 is a deficient number, since it is larger than the sum of its proper divisors (1456821676598).

2012311123402 is a wasteful number, since it uses less digits than its factorization.

2012311123402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2012311123402 its reverse (2043211132102), we get a palindrome (4055522255504).

The spelling of 2012311123402 in words is "two trillion, twelve billion, three hundred eleven million, one hundred twenty-three thousand, four hundred two".