12900091104 has 240 divisors, whose sum is σ = 38779969536. Its totient is φ = 4205779200.

The previous prime is 12900091103. The next prime is 12900091123. The reversal of 12900091104 is 40119000921.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12900091103) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35149929 + ... + 35150295.

Almost surely, 2^12900091104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12900091104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19389984768).

12900091104 is an abundant number, since it is smaller than the sum of its proper divisors (25879878432).

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

12900091104 is a wasteful number, since it uses less digits than its factorization.

12900091104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 12900091104 in words is "twelve billion, nine hundred million, ninety-one thousand, one hundred four".