12052997400 has 192 divisors, whose sum is σ = 38920500000. Its totient is φ = 3081809920.

The previous prime is 12052997389. The next prime is 12052997447. The reversal of 12052997400 is 479925021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2590276 + ... + 2594924.

Almost surely, 2^12052997400 is an apocalyptic number.

12052997400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12052997400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19460250000).

12052997400 is an abundant number, since it is smaller than the sum of its proper divisors (26867502600).

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

12052997400 is a wasteful number, since it uses less digits than its factorization.

12052997400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4846 (or 4837 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 12052997400 in words is "twelve billion, fifty-two million, nine hundred ninety-seven thousand, four hundred".