121424424012 has 36 divisors (see below), whose sum is σ = 311515070776. Its totient is φ = 39870705600.

The previous prime is 121424423977. The next prime is 121424424031. The reversal of 121424424012 is 210424424121.

121424424012 is a `hidden beast` number, since 1 + 2 + 14 + 244 + 2 + 401 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×121424424012² (a number of 23 digits) contains 22 as substring.

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, 25168489 + ... + 25173312.

Almost surely, 2^121424424012 is an apocalyptic number.

121424424012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121424424012 is an abundant number, since it is smaller than the sum of its proper divisors (190090646764).

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

121424424012 is a wasteful number, since it uses less digits than its factorization.

121424424012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50341878 (or 50341873 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 121424424012 its reverse (210424424121), we get a palindrome (331848848133).

The spelling of 121424424012 in words is "one hundred twenty-one billion, four hundred twenty-four million, four hundred twenty-four thousand, twelve".