123011000221200 has 480 divisors, whose sum is σ = 498086303936256. Its totient is φ = 25252509818880.

The previous prime is 123011000221183. The next prime is 123011000221223. The reversal of 123011000221200 is 2122000110321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 123011000221200.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11182227 + ... + 19263026.

Almost surely, 2^{123011000221200} is an apocalyptic number.

123011000221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123011000221200 is an abundant number, since it is smaller than the sum of its proper divisors (375075303715056).

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

123011000221200 is a wasteful number, since it uses less digits than its factorization.

123011000221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30445331 (or 30445320 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 123011000221200 its reverse (2122000110321), we get a palindrome (125133000331521).

The spelling of 123011000221200 in words is "one hundred twenty-three trillion, eleven billion, two hundred twenty-one thousand, two hundred".