12401122110 has 32 divisors (see below), whose sum is σ = 32052132000. Its totient is φ = 3052583808.

The previous prime is 12401122051. The next prime is 12401122159. The reversal of 12401122110 is 1122110421.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12401122110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15898485 + ... + 15899264.

It is an arithmetic number, because the mean of its divisors is an integer number (1001629125).

Almost surely, 2^12401122110 is an apocalyptic number.

12401122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12401122110 is an abundant number, since it is smaller than the sum of its proper divisors (19651009890).

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

12401122110 is a wasteful number, since it uses less digits than its factorization.

12401122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31797772.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12401122110 its reverse (1122110421), we get a palindrome (13523232531).

The spelling of 12401122110 in words is "twelve billion, four hundred one million, one hundred twenty-two thousand, one hundred ten".