20012021102212 has 12 divisors (see below), whose sum is σ = 35050943885776. Its totient is φ = 9997465706280.

The previous prime is 20012021102179. The next prime is 20012021102221. The reversal of 20012021102212 is 21220112021002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2136205938 + ... + 2136215305.

Almost surely, 2^{20012021102212} is an apocalyptic number.

It is an amenable number.

20012021102212 is a deficient number, since it is larger than the sum of its proper divisors (15038922783564).

20012021102212 is a wasteful number, since it uses less digits than its factorization.

20012021102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272422418 (or 4272422416 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20012021102212 its reverse (21220112021002), we get a palindrome (41232133123214).

The spelling of 20012021102212 in words is "twenty trillion, twelve billion, twenty-one million, one hundred two thousand, two hundred twelve".