12121041300 has 36 divisors (see below), whose sum is σ = 35070213696. Its totient is φ = 3232277600.

The previous prime is 12121041227. The next prime is 12121041349. The reversal of 12121041300 is 314012121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12121041300.

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, 20201436 + ... + 20202035.

Almost surely, 2^12121041300 is an apocalyptic number.

12121041300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12121041300 is an abundant number, since it is smaller than the sum of its proper divisors (22949172396).

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

12121041300 is a wasteful number, since it uses less digits than its factorization.

12121041300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40403488 (or 40403481 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12121041300 its reverse (314012121), we get a palindrome (12435053421).

The spelling of 12121041300 in words is "twelve billion, one hundred twenty-one million, forty-one thousand, three hundred".