20012213302012 has 12 divisors (see below), whose sum is σ = 35026073555256. Its totient is φ = 10004763714800.

The previous prime is 20012213301979. The next prime is 20012213302019. The reversal of 20012213302012 is 21020331221002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012213302019) 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, 335700523 + ... + 335760130.

It is an arithmetic number, because the mean of its divisors is an integer number (2918839462938).

Almost surely, 2^{20012213302012} is an apocalyptic number.

It is an amenable number.

20012213302012 is a deficient number, since it is larger than the sum of its proper divisors (15013860253244).

20012213302012 is a wasteful number, since it uses less digits than its factorization.

20012213302012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671468108 (or 671468106 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20012213302012 its reverse (21020331221002), we get a palindrome (41032544523014).

The spelling of 20012213302012 in words is "twenty trillion, twelve billion, two hundred thirteen million, three hundred two thousand, twelve".