2120012011213 has 4 divisors (see below), whose sum is σ = 2121822441088. Its totient is φ = 2118201581340.

The previous prime is 2120012011207. The next prime is 2120012011261. The reversal of 2120012011213 is 3121102100212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120012011213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120012011813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905213181 + ... + 905215522.

It is an arithmetic number, because the mean of its divisors is an integer number (530455610272).

Almost surely, 2^{2120012011213} is an apocalyptic number.

It is an amenable number.

2120012011213 is a deficient number, since it is larger than the sum of its proper divisors (1810429875).

2120012011213 is a wasteful number, since it uses less digits than its factorization.

2120012011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810429874.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2120012011213 its reverse (3121102100212), we get a palindrome (5241114111425).

The spelling of 2120012011213 in words is "two trillion, one hundred twenty billion, twelve million, eleven thousand, two hundred thirteen".