12205250154 has 16 divisors (see below), whose sum is σ = 27122778240. Its totient is φ = 4068416700.

The previous prime is 12205250117. The next prime is 12205250159. The reversal of 12205250154 is 45105250221.

12205250154 is a `hidden beast` number, since 122 + 0 + 525 + 0 + 15 + 4 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (12205250159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113011522 + ... + 113011629.

It is an arithmetic number, because the mean of its divisors is an integer number (1695173640).

Almost surely, 2^12205250154 is an apocalyptic number.

12205250154 is an abundant number, since it is smaller than the sum of its proper divisors (14917528086).

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

12205250154 is a wasteful number, since it uses less digits than its factorization.

12205250154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226023162 (or 226023156 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 12205250154 in words is "twelve billion, two hundred five million, two hundred fifty thousand, one hundred fifty-four".