1212107317472 has 12 divisors (see below), whose sum is σ = 2386336281336. Its totient is φ = 606053658720.

The previous prime is 1212107317459. The next prime is 1212107317483. The reversal of 1212107317472 is 2747137012121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18939176804 + ... + 18939176867.

It is an arithmetic number, because the mean of its divisors is an integer number (198861356778).

Almost surely, 2^{1212107317472} is an apocalyptic number.

It is an amenable number.

1212107317472 is a deficient number, since it is larger than the sum of its proper divisors (1174228963864).

1212107317472 is an equidigital number, since it uses as much as digits as its factorization.

1212107317472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37878353681 (or 37878353673 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 38.

The spelling of 1212107317472 in words is "one trillion, two hundred twelve billion, one hundred seven million, three hundred seventeen thousand, four hundred seventy-two".