1312420110 has 32 divisors (see below), whose sum is σ = 3155503392. Its totient is φ = 349345920.

The previous prime is 1312420103. The next prime is 1312420147. The reversal of 1312420110 is 110242131.

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 1312420110.

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, 22561 + ... + 55980.

It is an arithmetic number, because the mean of its divisors is an integer number (98609481).

Almost surely, 2^1312420110 is an apocalyptic number.

1312420110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312420110 is an abundant number, since it is smaller than the sum of its proper divisors (1843083282).

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

1312420110 is a wasteful number, since it uses less digits than its factorization.

1312420110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79108.

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

The square root of 1312420110 is about 36227.3392619441. The cubic root of 1312420110 is about 1094.8575699318.

Adding to 1312420110 its reverse (110242131), we get a palindrome (1422662241).

The spelling of 1312420110 in words is "one billion, three hundred twelve million, four hundred twenty thousand, one hundred ten".