12702504492 has 144 divisors (see below), whose sum is σ = 35511840000. Its totient is φ = 3810457728.

The previous prime is 12702504457. The next prime is 12702504547. The reversal of 12702504492 is 29440520721.

It is a super-2 number, since 2×12702504492² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2341359 + ... + 2346777.

It is an arithmetic number, because the mean of its divisors is an integer number (246610000).

Almost surely, 2^12702504492 is an apocalyptic number.

12702504492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12702504492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17755920000).

12702504492 is an abundant number, since it is smaller than the sum of its proper divisors (22809335508).

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

12702504492 is a wasteful number, since it uses less digits than its factorization.

12702504492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620 (or 5615 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 12702504492 in words is "twelve billion, seven hundred two million, five hundred four thousand, four hundred ninety-two".