20212000001212 has 24 divisors (see below), whose sum is σ = 37237604272400. Its totient is φ = 9572826571776.

The previous prime is 20212000001161. The next prime is 20212000001239. The reversal of 20212000001212 is 21210000021202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20212000001192 and 20212000001201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17186703 + ... + 18325030.

Almost surely, 2^{20212000001212} is an apocalyptic number.

It is an amenable number.

20212000001212 is a deficient number, since it is larger than the sum of its proper divisors (17025604271188).

20212000001212 is a wasteful number, since it uses less digits than its factorization.

20212000001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35519245 (or 35519243 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20212000001212 its reverse (21210000021202), we get a palindrome (41422000022414).

The spelling of 20212000001212 in words is "twenty trillion, two hundred twelve billion, one thousand, two hundred twelve".