1377722546212 has 12 divisors (see below), whose sum is σ = 2469819686796. Its totient is φ = 672059778560.

The previous prime is 1377722546209. The next prime is 1377722546237. The reversal of 1377722546212 is 2126452277731.

It can be written as a sum of positive squares in 2 ways, for example, as 168039325476 + 1209683220736 = 409926^2 + 1099856^2 .

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, 4200373453 + ... + 4200373780.

It is an arithmetic number, because the mean of its divisors is an integer number (205818307233).

Almost surely, 2^{1377722546212} is an apocalyptic number.

It is an amenable number.

1377722546212 is a deficient number, since it is larger than the sum of its proper divisors (1092097140584).

1377722546212 is a wasteful number, since it uses less digits than its factorization.

1377722546212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400747278 (or 8400747276 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 49.

The spelling of 1377722546212 in words is "one trillion, three hundred seventy-seven billion, seven hundred twenty-two million, five hundred forty-six thousand, two hundred twelve".