1231420310204 has 48 divisors (see below), whose sum is σ = 2524193280000. Its totient is φ = 514684490880.

The previous prime is 1231420310123. The next prime is 1231420310209. The reversal of 1231420310204 is 4020130241321.

It is a self number, because there is not a number n which added to its sum of digits gives 1231420310204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231420310209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295204 + ... + 2034795.

It is an arithmetic number, because the mean of its divisors is an integer number (52587360000).

Almost surely, 2^{1231420310204} is an apocalyptic number.

1231420310204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1231420310204 is an abundant number, since it is smaller than the sum of its proper divisors (1292772969796).

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

1231420310204 is a wasteful number, since it uses less digits than its factorization.

1231420310204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330338 (or 3330336 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1231420310204 its reverse (4020130241321), we get a palindrome (5251550551525).

The spelling of 1231420310204 in words is "one trillion, two hundred thirty-one billion, four hundred twenty million, three hundred ten thousand, two hundred four".