124402020312 has 64 divisors (see below), whose sum is σ = 319754304000. Its totient is φ = 40312618880.

The previous prime is 124402020311. The next prime is 124402020319. The reversal of 124402020312 is 213020204421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124402020311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202014 + ... + 538157.

It is an arithmetic number, because the mean of its divisors is an integer number (4996161000).

Almost surely, 2^124402020312 is an apocalyptic number.

124402020312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124402020312 is an abundant number, since it is smaller than the sum of its proper divisors (195352283688).

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

124402020312 is a wasteful number, since it uses less digits than its factorization.

124402020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740376 (or 740372 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 124402020312 its reverse (213020204421), we get a palindrome (337422224733).

The spelling of 124402020312 in words is "one hundred twenty-four billion, four hundred two million, twenty thousand, three hundred twelve".