202012012001213 has 4 divisors (see below), whose sum is σ = 202012074242940. Its totient is φ = 202011949759488.

The previous prime is 202012012001207. The next prime is 202012012001231. The reversal of 202012012001213 is 312100210210202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 140656326659044 + 61355685342169 = 11859862^2 + 7832987^2 .

It is a cyclic number.

It is not a de Polignac number, because 202012012001213 - 2⁸ = 202012012000957 is a prime.

It is a super-2 number, since 2×202012012001213² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202012012001191 and 202012012001200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012012001243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25968068 + ... + 32838461.

It is an arithmetic number, because the mean of its divisors is an integer number (50503018560735).

Almost surely, 2^{202012012001213} is an apocalyptic number.

It is an amenable number.

202012012001213 is a deficient number, since it is larger than the sum of its proper divisors (62241727).

202012012001213 is an equidigital number, since it uses as much as digits as its factorization.

202012012001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62241726.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 202012012001213 its reverse (312100210210202), we get a palindrome (514112222211415).

The spelling of 202012012001213 in words is "two hundred two trillion, twelve billion, twelve million, one thousand, two hundred thirteen".