1212044234142 has 16 divisors (see below), whose sum is σ = 2770386820992. Its totient is φ = 346298352600.

The previous prime is 1212044234123. The next prime is 1212044234173. The reversal of 1212044234142 is 2414324402121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14429097984 + ... + 14429098067.

It is an arithmetic number, because the mean of its divisors is an integer number (173149176312).

Almost surely, 2^{1212044234142} is an apocalyptic number.

1212044234142 is an abundant number, since it is smaller than the sum of its proper divisors (1558342586850).

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

1212044234142 is a wasteful number, since it uses less digits than its factorization.

1212044234142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28858196063.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1212044234142 its reverse (2414324402121), we get a palindrome (3626368636263).

The spelling of 1212044234142 in words is "one trillion, two hundred twelve billion, forty-four million, two hundred thirty-four thousand, one hundred forty-two".