12020413140 has 72 divisors (see below), whose sum is σ = 36473498880. Its totient is φ = 3204425664.

The previous prime is 12020413049. The next prime is 12020413177. The reversal of 12020413140 is 4131402021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 683781 + ... + 701139.

Almost surely, 2^12020413140 is an apocalyptic number.

12020413140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020413140 is an abundant number, since it is smaller than the sum of its proper divisors (24453085740).

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

12020413140 is a wasteful number, since it uses less digits than its factorization.

12020413140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21221 (or 21216 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12020413140 its reverse (4131402021), we get a palindrome (16151815161).

The spelling of 12020413140 in words is "twelve billion, twenty million, four hundred thirteen thousand, one hundred forty".