1361371021712 has 40 divisors (see below), whose sum is σ = 3007644357816. Its totient is φ = 591364786176.

The previous prime is 1361371021687. The next prime is 1361371021799. The reversal of 1361371021712 is 2171201731631.

It can be written as a sum of positive squares in 4 ways, for example, as 187606794496 + 1173764227216 = 433136^2 + 1083404^2 .

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, 192498023 + ... + 192505094.

Almost surely, 2^{1361371021712} is an apocalyptic number.

It is an amenable number.

1361371021712 is an abundant number, since it is smaller than the sum of its proper divisors (1646273336104).

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

1361371021712 is a wasteful number, since it uses less digits than its factorization.

1361371021712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385003155 (or 385003149 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The spelling of 1361371021712 in words is "one trillion, three hundred sixty-one billion, three hundred seventy-one million, twenty-one thousand, seven hundred twelve".