123112401200 has 60 divisors (see below), whose sum is σ = 295827789768. Its totient is φ = 49236595200.

The previous prime is 123112401187. The next prime is 123112401281. The reversal of 123112401200 is 2104211321.

It is a super-2 number, since 2×123112401200² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2681639 + ... + 2727161.

Almost surely, 2^123112401200 is an apocalyptic number.

123112401200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123112401200 is an abundant number, since it is smaller than the sum of its proper divisors (172715388568).

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

123112401200 is a wasteful number, since it uses less digits than its factorization.

123112401200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52302 (or 52291 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 123112401200 its reverse (2104211321), we get a palindrome (125216612521).

The spelling of 123112401200 in words is "one hundred twenty-three billion, one hundred twelve million, four hundred one thousand, two hundred".