2120020131000 has 128 divisors (see below), whose sum is σ = 6614961537600. Its totient is φ = 565296076800.

The previous prime is 2120020130999. The next prime is 2120020131001. The reversal of 2120020131000 is 1310200212.

It is an interprime number because it is at equal distance from previous prime (2120020130999) and next prime (2120020131001).

It is a super-2 number, since 2×2120020131000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120020131001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74652804 + ... + 74681196.

Almost surely, 2^{2120020131000} is an apocalyptic number.

2120020131000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120020131000 is an abundant number, since it is smaller than the sum of its proper divisors (4494941406600).

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

2120020131000 is a wasteful number, since it uses less digits than its factorization.

2120020131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53306 (or 53292 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 2120020131000 its reverse (1310200212), we get a palindrome (2121330331212).

The spelling of 2120020131000 in words is "two trillion, one hundred twenty billion, twenty million, one hundred thirty-one thousand".