12025151406 has 16 divisors (see below), whose sum is σ = 26722558800. Its totient is φ = 4008383784.

The previous prime is 12025151389. The next prime is 12025151407. The reversal of 12025151406 is 60415152021.

12025151406 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 515 + 140 + 6 = 666.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12025151406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12025151407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111343941 + ... + 111344048.

It is an arithmetic number, because the mean of its divisors is an integer number (1670159925).

Almost surely, 2^12025151406 is an apocalyptic number.

12025151406 is an abundant number, since it is smaller than the sum of its proper divisors (14697407394).

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

12025151406 is a wasteful number, since it uses less digits than its factorization.

12025151406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222688000 (or 222687994 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 12025151406 in words is "twelve billion, twenty-five million, one hundred fifty-one thousand, four hundred six".