12054215432 has 48 divisors (see below), whose sum is σ = 27439316160. Its totient is φ = 4862198016.

The previous prime is 12054215389. The next prime is 12054215471. The reversal of 12054215432 is 23451245021.

It is a junction number, because it is equal to n+sod(n) for n = 12054215395 and 12054215404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 356228 + ... + 388595.

It is an arithmetic number, because the mean of its divisors is an integer number (571652420).

Almost surely, 2^12054215432 is an apocalyptic number.

It is an amenable number.

12054215432 is an abundant number, since it is smaller than the sum of its proper divisors (15385100728).

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

12054215432 is a wasteful number, since it uses less digits than its factorization.

12054215432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744870 (or 744849 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 12054215432 in words is "twelve billion, fifty-four million, two hundred fifteen thousand, four hundred thirty-two".