1232956661212 has 12 divisors (see below), whose sum is σ = 2157684302200. Its totient is φ = 616475432016.

The previous prime is 1232956661203. The next prime is 1232956661269. The reversal of 1232956661212 is 2121666592321.

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 3 ways as a sum of consecutive naturals, for example, 440623 + ... + 1630969.

Almost surely, 2^{1232956661212} is an apocalyptic number.

It is an amenable number.

1232956661212 is a deficient number, since it is larger than the sum of its proper divisors (924727640988).

1232956661212 is a wasteful number, since it uses less digits than its factorization.

1232956661212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449300 (or 1449298 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The spelling of 1232956661212 in words is "one trillion, two hundred thirty-two billion, nine hundred fifty-six million, six hundred sixty-one thousand, two hundred twelve".