12345566667900 has 36 divisors (see below), whose sum is σ = 35719839559992. Its totient is φ = 3292151111360.

The previous prime is 12345566667883. The next prime is 12345566667919. The reversal of 12345566667900 is 976666554321.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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, 20575944147 + ... + 20575944746.

Almost surely, 2^{12345566667900} is an apocalyptic number.

12345566667900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12345566667900 is an abundant number, since it is smaller than the sum of its proper divisors (23374272892092).

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

12345566667900 is a wasteful number, since it uses less digits than its factorization.

12345566667900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41151888910 (or 41151888903 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 60.

The spelling of 12345566667900 in words is "twelve trillion, three hundred forty-five billion, five hundred sixty-six million, six hundred sixty-seven thousand, nine hundred".