1377236207812 has 6 divisors (see below), whose sum is σ = 2410163363678. Its totient is φ = 688618103904.

The previous prime is 1377236207797. The next prime is 1377236207813. The reversal of 1377236207812 is 2187026327731.

It can be written as a sum of positive squares in only one way, i.e., 1061443909696 + 315792298116 = 1030264^2 + 561954^2 .

It is not an unprimeable number, because it can be changed into a prime (1377236207813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172154525973 + ... + 172154525980.

Almost surely, 2^{1377236207812} is an apocalyptic number.

It is an amenable number.

1377236207812 is a deficient number, since it is larger than the sum of its proper divisors (1032927155866).

1377236207812 is a wasteful number, since it uses less digits than its factorization.

1377236207812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344309051957 (or 344309051955 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 1377236207812 in words is "one trillion, three hundred seventy-seven billion, two hundred thirty-six million, two hundred seven thousand, eight hundred twelve".