12020012213 has 16 divisors (see below), whose sum is σ = 13267644480. Its totient is φ = 10798339200.

The previous prime is 12020012201. The next prime is 12020012219. The reversal of 12020012213 is 31221002021.

It is a happy number.

It is not a de Polignac number, because 12020012213 - 2¹⁰ = 12020011189 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 (12020012219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3415931 + ... + 3419447.

It is an arithmetic number, because the mean of its divisors is an integer number (829227780).

Almost surely, 2^12020012213 is an apocalyptic number.

It is an amenable number.

12020012213 is a deficient number, since it is larger than the sum of its proper divisors (1247632267).

12020012213 is a wasteful number, since it uses less digits than its factorization.

12020012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7108.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12020012213 its reverse (31221002021), we get a palindrome (43241014234).

The spelling of 12020012213 in words is "twelve billion, twenty million, twelve thousand, two hundred thirteen".