12121404300 has 72 divisors (see below), whose sum is σ = 38968078800. Its totient is φ = 3232373760.

The previous prime is 12121404299. The next prime is 12121404301. The reversal of 12121404300 is 340412121.

12121404300 is a `hidden beast` number, since 1 + 21 + 214 + 0 + 430 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (12121404299) and next prime (12121404301).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12121404301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2242005 + ... + 2247404.

Almost surely, 2^12121404300 is an apocalyptic number.

12121404300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12121404300 is an abundant number, since it is smaller than the sum of its proper divisors (26846674500).

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

12121404300 is a wasteful number, since it uses less digits than its factorization.

12121404300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489432 (or 4489419 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12121404300 its reverse (340412121), we get a palindrome (12461816421).

The spelling of 12121404300 in words is "twelve billion, one hundred twenty-one million, four hundred four thousand, three hundred".