12987485154402 has 64 divisors (see below), whose sum is σ = 28763118641664. Its totient is φ = 3876341293440.

The previous prime is 12987485154367. The next prime is 12987485154431. The reversal of 12987485154402 is 20445158478921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33427318 + ... + 33813614.

It is an arithmetic number, because the mean of its divisors is an integer number (449423728776).

Almost surely, 2^{12987485154402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12987485154402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14381559320832).

12987485154402 is an abundant number, since it is smaller than the sum of its proper divisors (15775633487262).

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

12987485154402 is a wasteful number, since it uses less digits than its factorization.

12987485154402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393983.

The product of its (nonzero) digits is 25804800, while the sum is 60.

The spelling of 12987485154402 in words is "twelve trillion, nine hundred eighty-seven billion, four hundred eighty-five million, one hundred fifty-four thousand, four hundred two".