122021112101212 has 6 divisors (see below), whose sum is σ = 213536946177128. Its totient is φ = 61010556050604.

The previous prime is 122021112101209. The next prime is 122021112101279. The reversal of 122021112101212 is 212101211120221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122021112101212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15252639012648 + ... + 15252639012655.

Almost surely, 2^{122021112101212} is an apocalyptic number.

It is an amenable number.

122021112101212 is a deficient number, since it is larger than the sum of its proper divisors (91515834075916).

122021112101212 is a wasteful number, since it uses less digits than its factorization.

122021112101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30505278025307 (or 30505278025305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122021112101212 its reverse (212101211120221), we get a palindrome (334122323221433).

The spelling of 122021112101212 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred twelve million, one hundred one thousand, two hundred twelve".