124221122613 has 32 divisors (see below), whose sum is σ = 210357797120. Its totient is φ = 70971240960.

The previous prime is 124221122609. The next prime is 124221122699. The reversal of 124221122613 is 316221122421.

124221122613 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 21 + 1 + 22 + 613 = 666.

It is not a de Polignac number, because 124221122613 - 2² = 124221122609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124221132613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1103181 + ... + 1210557.

It is an arithmetic number, because the mean of its divisors is an integer number (6573681160).

Almost surely, 2^124221122613 is an apocalyptic number.

It is an amenable number.

124221122613 is a deficient number, since it is larger than the sum of its proper divisors (86136674507).

124221122613 is a wasteful number, since it uses less digits than its factorization.

124221122613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113514 (or 113508 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The spelling of 124221122613 in words is "one hundred twenty-four billion, two hundred twenty-one million, one hundred twenty-two thousand, six hundred thirteen".