124121330312 has 32 divisors (see below), whose sum is σ = 266107705920. Its totient is φ = 53168170560.

The previous prime is 124121330269. The next prime is 124121330341. The reversal of 124121330312 is 213033121421.

It is a super-2 number, since 2×124121330312² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443114 + ... + 666777.

It is an arithmetic number, because the mean of its divisors is an integer number (8315865810).

Almost surely, 2^124121330312 is an apocalyptic number.

It is an amenable number.

124121330312 is an abundant number, since it is smaller than the sum of its proper divisors (141986375608).

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

124121330312 is a wasteful number, since it uses less digits than its factorization.

124121330312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111901 (or 1111897 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 124121330312 its reverse (213033121421), we get a palindrome (337154451733).

The spelling of 124121330312 in words is "one hundred twenty-four billion, one hundred twenty-one million, three hundred thirty thousand, three hundred twelve".