12798734190 has 32 divisors (see below), whose sum is σ = 33509414016. Its totient is φ = 3102723360.

The previous prime is 12798734167. The next prime is 12798734197. The reversal of 12798734190 is 9143789721.

It is a super-2 number, since 2×12798734190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12798734197) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19391692 + ... + 19392351.

It is an arithmetic number, because the mean of its divisors is an integer number (1047169188).

Almost surely, 2^12798734190 is an apocalyptic number.

12798734190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12798734190 is an abundant number, since it is smaller than the sum of its proper divisors (20710679826).

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

12798734190 is a wasteful number, since it uses less digits than its factorization.

12798734190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38784064.

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 12798734190 in words is "twelve billion, seven hundred ninety-eight million, seven hundred thirty-four thousand, one hundred ninety".