1902065899812 has 48 divisors (see below), whose sum is σ = 4800421698240. Its totient is φ = 582695353728.

The previous prime is 1902065899807. The next prime is 1902065899813. The reversal of 1902065899812 is 2189985602091.

It is not an unprimeable number, because it can be changed into a prime (1902065899813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26585958 + ... + 26657405.

It is an arithmetic number, because the mean of its divisors is an integer number (100008785380).

Almost surely, 2^{1902065899812} is an apocalyptic number.

1902065899812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1902065899812 is an abundant number, since it is smaller than the sum of its proper divisors (2898355798428).

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

1902065899812 is a wasteful number, since it uses less digits than its factorization.

1902065899812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53243612 (or 53243610 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 60.

The spelling of 1902065899812 in words is "one trillion, nine hundred two billion, sixty-five million, eight hundred ninety-nine thousand, eight hundred twelve".