1421312120120 has 16 divisors (see below), whose sum is σ = 3197952270360. Its totient is φ = 568524848032.

The previous prime is 1421312120027. The next prime is 1421312120131. The reversal of 1421312120120 is 210212131241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1421312120092 and 1421312120101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17766401462 + ... + 17766401541.

Almost surely, 2^{1421312120120} is an apocalyptic number.

1421312120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421312120120 is an abundant number, since it is smaller than the sum of its proper divisors (1776640150240).

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

1421312120120 is a wasteful number, since it uses less digits than its factorization.

1421312120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35532803014 (or 35532803010 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1421312120120 its reverse (210212131241), we get a palindrome (1631524251361).

It can be divided in two parts, 14213121 and 20120, that added together give a palindrome (14233241).

The spelling of 1421312120120 in words is "one trillion, four hundred twenty-one billion, three hundred twelve million, one hundred twenty thousand, one hundred twenty".