123220210113 has 96 divisors (see below), whose sum is σ = 245431909632. Its totient is φ = 57489523200.

The previous prime is 123220210109. The next prime is 123220210117. The reversal of 123220210113 is 311012022321.

123220210113 is a `hidden beast` number, since 123 + 220 + 210 + 113 = 666.

It is an interprime number because it is at equal distance from previous prime (123220210109) and next prime (123220210117).

It is not a de Polignac number, because 123220210113 - 2² = 123220210109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123220210117) 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 95 ways as a sum of consecutive naturals, for example, 148503 + ... + 518163.

It is an arithmetic number, because the mean of its divisors is an integer number (2556582392).

Almost surely, 2^123220210113 is an apocalyptic number.

123220210113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123220210113 is a deficient number, since it is larger than the sum of its proper divisors (122211699519).

123220210113 is a wasteful number, since it uses less digits than its factorization.

123220210113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369735 (or 369732 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123220210113 its reverse (311012022321), we get a palindrome (434232232434).

It can be divided in two parts, 123220 and 210113, that added together give a palindrome (333333).

The spelling of 123220210113 in words is "one hundred twenty-three billion, two hundred twenty million, two hundred ten thousand, one hundred thirteen".