124421206452 has 24 divisors (see below), whose sum is σ = 297397031232. Its totient is φ = 40462180800.

The previous prime is 124421206421. The next prime is 124421206457. The reversal of 124421206452 is 254602124421.

It is a super-2 number, since 2×124421206452² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124421206457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126443824 + ... + 126444807.

It is an arithmetic number, because the mean of its divisors is an integer number (12391542968).

Almost surely, 2^124421206452 is an apocalyptic number.

124421206452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124421206452 is an abundant number, since it is smaller than the sum of its proper divisors (172975824780).

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

124421206452 is a wasteful number, since it uses less digits than its factorization.

124421206452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252888679 (or 252888677 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 124421206452 in words is "one hundred twenty-four billion, four hundred twenty-one million, two hundred six thousand, four hundred fifty-two".