123010100100200 has 24 divisors (see below), whose sum is σ = 285998482733430. Its totient is φ = 49204040040000.

The previous prime is 123010100100191. The next prime is 123010100100203. The reversal of 123010100100200 is 2001001010321.

It can be written as a sum of positive squares in 3 ways, for example, as 45690542832484 + 77319557267716 = 6759478^2 + 8793154^2 .

It is a super-2 number, since 2×123010100100200² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123010100100203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307525250051 + ... + 307525250450.

Almost surely, 2^{123010100100200} is an apocalyptic number.

123010100100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123010100100200 is an abundant number, since it is smaller than the sum of its proper divisors (162988382633230).

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

123010100100200 is a wasteful number, since it uses less digits than its factorization.

123010100100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615050500517 (or 615050500508 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 123010100100200 its reverse (2001001010321), we get a palindrome (125011101110521).

The spelling of 123010100100200 in words is "one hundred twenty-three trillion, ten billion, one hundred million, one hundred thousand, two hundred".