12797348421 has 64 divisors (see below), whose sum is σ = 20858535936. Its totient is φ = 6872947200.

The previous prime is 12797348413. The next prime is 12797348453. The reversal of 12797348421 is 12484379721.

It is not a de Polignac number, because 12797348421 - 2³ = 12797348413 is a prime.

It is a super-4 number, since 4×12797348421⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12797348411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1685185 + ... + 1692761.

It is an arithmetic number, because the mean of its divisors is an integer number (325914624).

Almost surely, 2^12797348421 is an apocalyptic number.

12797348421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12797348421 is a deficient number, since it is larger than the sum of its proper divisors (8061187515).

12797348421 is a wasteful number, since it uses less digits than its factorization.

12797348421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7762.

The product of its digits is 677376, while the sum is 48.

The spelling of 12797348421 in words is "twelve billion, seven hundred ninety-seven million, three hundred forty-eight thousand, four hundred twenty-one".