12258154620 has 72 divisors (see below), whose sum is σ = 37377849600. Its totient is φ = 3251717760.

The previous prime is 12258154619. The next prime is 12258154637. The reversal of 12258154620 is 2645185221.

12258154620 is a `hidden beast` number, since 1 + 2 + 2 + 581 + 54 + 6 + 20 = 666.

12258154620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143895 + ... + 212654.

It is an arithmetic number, because the mean of its divisors is an integer number (519136800).

Almost surely, 2^12258154620 is an apocalyptic number.

12258154620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12258154620 is an abundant number, since it is smaller than the sum of its proper divisors (25119694980).

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

12258154620 is a wasteful number, since it uses less digits than its factorization.

12258154620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356755 (or 356750 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 12258154620 in words is "twelve billion, two hundred fifty-eight million, one hundred fifty-four thousand, six hundred twenty".