121224134100 has 36 divisors (see below), whose sum is σ = 350741828864. Its totient is φ = 32326435680.

The previous prime is 121224134063. The next prime is 121224134137. The reversal of 121224134100 is 1431422121.

121224134100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121224134063) and next prime (121224134137).

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, 202039924 + ... + 202040523.

Almost surely, 2^121224134100 is an apocalyptic number.

121224134100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121224134100 is an abundant number, since it is smaller than the sum of its proper divisors (229517694764).

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

121224134100 is a wasteful number, since it uses less digits than its factorization.

121224134100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404080464 (or 404080457 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121224134100 its reverse (1431422121), we get a palindrome (122655556221).

The spelling of 121224134100 in words is "one hundred twenty-one billion, two hundred twenty-four million, one hundred thirty-four thousand, one hundred".