123010022100 has 144 divisors (see below), whose sum is σ = 420779318400. Its totient is φ = 27147025920.

The previous prime is 123010022027. The next prime is 123010022123. The reversal of 123010022100 is 1220010321.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 949035 + ... + 1070834.

It is an arithmetic number, because the mean of its divisors is an integer number (2922078600).

Almost surely, 2^123010022100 is an apocalyptic number.

123010022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123010022100 is an abundant number, since it is smaller than the sum of its proper divisors (297769296300).

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

123010022100 is a wasteful number, since it uses less digits than its factorization.

123010022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019922 (or 2019915 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 123010022100 its reverse (1220010321), we get a palindrome (124230032421).

The spelling of 123010022100 in words is "one hundred twenty-three billion, ten million, twenty-two thousand, one hundred".