12450121404 has 48 divisors (see below), whose sum is σ = 33461772288. Its totient is φ = 3529165248.

The previous prime is 12450121391. The next prime is 12450121417. The reversal of 12450121404 is 40412105421.

It is an interprime number because it is at equal distance from previous prime (12450121391) and next prime (12450121417).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572859 + ... + 594194.

It is an arithmetic number, because the mean of its divisors is an integer number (697120256).

Almost surely, 2^12450121404 is an apocalyptic number.

12450121404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12450121404 is an abundant number, since it is smaller than the sum of its proper divisors (21011650884).

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

12450121404 is a wasteful number, since it uses less digits than its factorization.

12450121404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167194 (or 1167192 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 12450121404 its reverse (40412105421), we get a palindrome (52862226825).

The spelling of 12450121404 in words is "twelve billion, four hundred fifty million, one hundred twenty-one thousand, four hundred four".