1231422144002 has 32 divisors (see below), whose sum is σ = 1958228395200. Its totient is φ = 578770149888.

The previous prime is 1231422143981. The next prime is 1231422144023. The reversal of 1231422144002 is 2004412241321.

It is an interprime number because it is at equal distance from previous prime (1231422143981) and next prime (1231422144023).

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, 147843374 + ... + 147851702.

It is an arithmetic number, because the mean of its divisors is an integer number (61194637350).

Almost surely, 2^{1231422144002} is an apocalyptic number.

1231422144002 is a deficient number, since it is larger than the sum of its proper divisors (726806251198).

1231422144002 is a wasteful number, since it uses less digits than its factorization.

1231422144002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13250.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1231422144002 its reverse (2004412241321), we get a palindrome (3235834385323).

The spelling of 1231422144002 in words is "one trillion, two hundred thirty-one billion, four hundred twenty-two million, one hundred forty-four thousand, two".