2120204020212 has 72 divisors (see below), whose sum is σ = 5413464710472. Its totient is φ = 699608448000.

The previous prime is 2120204020171. The next prime is 2120204020217.

2120204020212 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 3074258916 + 2117129761296 = 55446^2 + 1455036^2 .

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 (2120204020217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20808912 + ... + 20910552.

Almost surely, 2^{2120204020212} is an apocalyptic number.

It is an amenable number.

2120204020212 is an abundant number, since it is smaller than the sum of its proper divisors (3293260690260).

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

2120204020212 is a wasteful number, since it uses less digits than its factorization.

2120204020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107489 (or 107484 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The spelling of 2120204020212 in words is "two trillion, one hundred twenty billion, two hundred four million, twenty thousand, two hundred twelve".