12121654230 has 48 divisors (see below), whose sum is σ = 36018631584. Its totient is φ = 2770663680.

The previous prime is 12121654213. The next prime is 12121654247. The reversal of 12121654230 is 3245612121.

12121654230 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 1 + 654 + 2 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (12121654213) and next prime (12121654247).

It is a junction number, because it is equal to n+sod(n) for n = 12121654194 and 12121654203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9619731 + ... + 9620990.

It is an arithmetic number, because the mean of its divisors is an integer number (750388158).

Almost surely, 2^12121654230 is an apocalyptic number.

12121654230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121654230 is an abundant number, since it is smaller than the sum of its proper divisors (23896977354).

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

12121654230 is a wasteful number, since it uses less digits than its factorization.

12121654230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19240741 (or 19240738 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 12121654230 in words is "twelve billion, one hundred twenty-one million, six hundred fifty-four thousand, two hundred thirty".