20022201212212 has 12 divisors (see below), whose sum is σ = 35072190713056. Its totient is φ = 10001575294200.

The previous prime is 20022201212191. The next prime is 20022201212227. The reversal of 20022201212212 is 21221210222002.

It is a self number, because there is not a number n which added to its sum of digits gives 20022201212212.

It is a congruent 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, 2381323248 + ... + 2381331655.

Almost surely, 2^{20022201212212} is an apocalyptic number.

It is an amenable number.

20022201212212 is a deficient number, since it is larger than the sum of its proper divisors (15049989500844).

20022201212212 is a wasteful number, since it uses less digits than its factorization.

20022201212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762655958 (or 4762655956 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20022201212212 its reverse (21221210222002), we get a palindrome (41243411434214).

The spelling of 20022201212212 in words is "twenty trillion, twenty-two billion, two hundred one million, two hundred twelve thousand, two hundred twelve".