1377437252412 has 24 divisors (see below), whose sum is σ = 3461252583376. Its totient is φ = 423826846848.

The previous prime is 1377437252363. The next prime is 1377437252423. The reversal of 1377437252412 is 2142527347731.

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 7 ways as a sum of consecutive naturals, for example, 4414862833 + ... + 4414863144.

Almost surely, 2^{1377437252412} is an apocalyptic number.

1377437252412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1377437252412 is an abundant number, since it is smaller than the sum of its proper divisors (2083815330964).

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

1377437252412 is a wasteful number, since it uses less digits than its factorization.

1377437252412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8829725997 (or 8829725995 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 48.

The spelling of 1377437252412 in words is "one trillion, three hundred seventy-seven billion, four hundred thirty-seven million, two hundred fifty-two thousand, four hundred twelve".