2130212013012 has 18 divisors (see below), whose sum is σ = 5384702588538. Its totient is φ = 710070670992.

The previous prime is 2130212013011. The next prime is 2130212013031. The reversal of 2130212013012 is 2103102120312.

It can be written as a sum of positive squares in only one way, i.e., 2042852752656 + 87359260356 = 1429284^2 + 295566^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130212013011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29586277923 + ... + 29586277994.

Almost surely, 2^{2130212013012} is an apocalyptic number.

It is an amenable number.

2130212013012 is an abundant number, since it is smaller than the sum of its proper divisors (3254490575526).

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

2130212013012 is a wasteful number, since it uses less digits than its factorization.

2130212013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59172555927 (or 59172555922 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2130212013012 its reverse (2103102120312), we get a palindrome (4233314133324).

The spelling of 2130212013012 in words is "two trillion, one hundred thirty billion, two hundred twelve million, thirteen thousand, twelve".