1290367806612 has 24 divisors (see below), whose sum is σ = 3010881179712. Its totient is φ = 430119321600.

The previous prime is 1290367806583. The next prime is 1290367806619. The reversal of 1290367806612 is 2166087630921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290367806619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1637937 + ... + 2294247.

It is an arithmetic number, because the mean of its divisors is an integer number (125453382488).

Almost surely, 2^{1290367806612} is an apocalyptic number.

1290367806612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1290367806612 is an abundant number, since it is smaller than the sum of its proper divisors (1720513373100).

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

1290367806612 is a wasteful number, since it uses less digits than its factorization.

1290367806612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820159 (or 820157 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 1290367806612 in words is "one trillion, two hundred ninety billion, three hundred sixty-seven million, eight hundred six thousand, six hundred twelve".