20212122000013 has 4 divisors (see below), whose sum is σ = 20213163720288. Its totient is φ = 20211080279740.

The previous prime is 20212122000011. The next prime is 20212122000131. The reversal of 20212122000013 is 31000022121202.

It is a happy number.

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 not a de Polignac number, because 20212122000013 - 2¹ = 20212122000011 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 (20212122000011) 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, 520831033 + ... + 520869838.

It is an arithmetic number, because the mean of its divisors is an integer number (5053290930072).

Almost surely, 2^{20212122000013} is an apocalyptic number.

It is an amenable number.

20212122000013 is a deficient number, since it is larger than the sum of its proper divisors (1041720275).

20212122000013 is a wasteful number, since it uses less digits than its factorization.

20212122000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041720274.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20212122000013 its reverse (31000022121202), we get a palindrome (51212144121215).

The spelling of 20212122000013 in words is "twenty trillion, two hundred twelve billion, one hundred twenty-two million, thirteen", and thus it is an aban number.