1901803012 has 12 divisors (see below), whose sum is σ = 3328765776. Its totient is φ = 950727080.

The previous prime is 1901802983. The next prime is 1901803067. The reversal of 1901803012 is 2103081091.

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, 17314 + ... + 64057.

It is an arithmetic number, because the mean of its divisors is an integer number (277397148).

Almost surely, 2^1901803012 is an apocalyptic number.

It is an amenable number.

1901803012 is a deficient number, since it is larger than the sum of its proper divisors (1426962764).

1901803012 is a wasteful number, since it uses less digits than its factorization.

1901803012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87218 (or 87216 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1901803012 is about 43609.6664972343. Note that the first 3 decimals coincide. The cubic root of 1901803012 is about 1238.9539851972.

The spelling of 1901803012 in words is "one billion, nine hundred one million, eight hundred three thousand, twelve".