1374451666012 has 12 divisors (see below), whose sum is σ = 2405403367416. Its totient is φ = 687193561040.

The previous prime is 1374451665997. The next prime is 1374451666067. The reversal of 1374451666012 is 2106661544731.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7972039 + ... + 8142622.

It is an arithmetic number, because the mean of its divisors is an integer number (200450280618).

Almost surely, 2^{1374451666012} is an apocalyptic number.

It is an amenable number.

1374451666012 is a deficient number, since it is larger than the sum of its proper divisors (1030951701404).

1374451666012 is a wasteful number, since it uses less digits than its factorization.

1374451666012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16135988 (or 16135986 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 1374451666012 in words is "one trillion, three hundred seventy-four billion, four hundred fifty-one million, six hundred sixty-six thousand, twelve".