1901185736012 has 36 divisors (see below), whose sum is σ = 3489375533280. Its totient is φ = 906195780672.

The previous prime is 1901185735979. The next prime is 1901185736069. The reversal of 1901185736012 is 2106375811091.

It is a super-2 number, since 2×1901185736012² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3311183 + ... + 3842694.

Almost surely, 2^{1901185736012} is an apocalyptic number.

It is an amenable number.

1901185736012 is a deficient number, since it is larger than the sum of its proper divisors (1588189797268).

1901185736012 is a wasteful number, since it uses less digits than its factorization.

1901185736012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7154018 (or 7153987 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 1901185736012 in words is "one trillion, nine hundred one billion, one hundred eighty-five million, seven hundred thirty-six thousand, twelve".