12920252926 has 16 divisors (see below), whose sum is σ = 23451888096. Its totient is φ = 5211530496.

The previous prime is 12920252911. The next prime is 12920252929. The reversal of 12920252926 is 62925202921.

It is a super-2 number, since 2×12920252926² (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 (12920252929) 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, 27143151 + ... + 27143626.

It is an arithmetic number, because the mean of its divisors is an integer number (1465743006).

Almost surely, 2^12920252926 is an apocalyptic number.

12920252926 is a deficient number, since it is larger than the sum of its proper divisors (10531635170).

12920252926 is a wasteful number, since it uses less digits than its factorization.

12920252926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54286803.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 12920252926 in words is "twelve billion, nine hundred twenty million, two hundred fifty-two thousand, nine hundred twenty-six".