12900291954 has 64 divisors (see below), whose sum is σ = 28417277952. Its totient is φ = 3871627200.

The previous prime is 12900291949. The next prime is 12900291961. The reversal of 12900291954 is 45919200921.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6930984 + ... + 6932844.

It is an arithmetic number, because the mean of its divisors is an integer number (444019968).

Almost surely, 2^12900291954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12900291954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14208638976).

12900291954 is an abundant number, since it is smaller than the sum of its proper divisors (15516985998).

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

12900291954 is a wasteful number, since it uses less digits than its factorization.

12900291954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831.

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 12900291954 in words is "twelve billion, nine hundred million, two hundred ninety-one thousand, nine hundred fifty-four".