100401123404112 has 160 divisors (see below), whose sum is σ = 289899575061120. Its totient is φ = 29756045721600.

The previous prime is 100401123404083. The next prime is 100401123404137. The reversal of 100401123404112 is 211404321104001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3699639 + ... + 14645462.

It is an arithmetic number, because the mean of its divisors is an integer number (1811872344132).

Almost surely, 2^{100401123404112} is an apocalyptic number.

100401123404112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100401123404112 is an abundant number, since it is smaller than the sum of its proper divisors (189498451657008).

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

100401123404112 is a wasteful number, since it uses less digits than its factorization.

100401123404112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18345501 (or 18345495 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 100401123404112 its reverse (211404321104001), we get a palindrome (311805444508113).

The spelling of 100401123404112 in words is "one hundred trillion, four hundred one billion, one hundred twenty-three million, four hundred four thousand, one hundred twelve".