2000031213120 has 112 divisors (see below), whose sum is σ = 6350456110848. Its totient is φ = 533311672320.

The previous prime is 2000031213109. The next prime is 2000031213127. The reversal of 2000031213120 is 213121300002.

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 2000031213120.

It is not an unprimeable number, because it can be changed into a prime (2000031213127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20948532 + ... + 21043788.

Almost surely, 2^{2000031213120} is an apocalyptic number.

2000031213120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000031213120 is an abundant number, since it is smaller than the sum of its proper divisors (4350424897728).

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

2000031213120 is a wasteful number, since it uses less digits than its factorization.

2000031213120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117148 (or 117138 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2000031213120 its reverse (213121300002), we get a palindrome (2213152513122).

The spelling of 2000031213120 in words is "two trillion, thirty-one million, two hundred thirteen thousand, one hundred twenty".