1361137203412 has 72 divisors (see below), whose sum is σ = 2743654200000. Its totient is φ = 578798078976.

The previous prime is 1361137203409. The next prime is 1361137203449. The reversal of 1361137203412 is 2143027311631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 862024039 + ... + 862025617.

Almost surely, 2^{1361137203412} is an apocalyptic number.

It is an amenable number.

1361137203412 is an abundant number, since it is smaller than the sum of its proper divisors (1382516996588).

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

1361137203412 is a wasteful number, since it uses less digits than its factorization.

1361137203412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153 (or 2994 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 1361137203412 in words is "one trillion, three hundred sixty-one billion, one hundred thirty-seven million, two hundred three thousand, four hundred twelve".