1212937574144 has 36 divisors (see below), whose sum is σ = 2422599115104. Its totient is φ = 606102571008.

The previous prime is 1212937574059. The next prime is 1212937574201. The reversal of 1212937574144 is 4414757392121.

It is a junction number, because it is equal to n+sod(n) for n = 1212937574092 and 1212937574101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005512 + ... + 1853895.

It is an arithmetic number, because the mean of its divisors is an integer number (67294419864).

Almost surely, 2^{1212937574144} is an apocalyptic number.

It is an amenable number.

1212937574144 is a deficient number, since it is larger than the sum of its proper divisors (1209661540960).

1212937574144 is an equidigital number, since it uses as much as digits as its factorization.

1212937574144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861080 (or 2861066 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The spelling of 1212937574144 in words is "one trillion, two hundred twelve billion, nine hundred thirty-seven million, five hundred seventy-four thousand, one hundred forty-four".