1211020112212 has 24 divisors (see below), whose sum is σ = 2146325024480. Its totient is φ = 597832526880.

The previous prime is 1211020112209. The next prime is 1211020112251. The reversal of 1211020112212 is 2122110201121.

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, 5916198 + ... + 6117469.

Almost surely, 2^{1211020112212} is an apocalyptic number.

It is an amenable number.

1211020112212 is a deficient number, since it is larger than the sum of its proper divisors (935304912268).

1211020112212 is a wasteful number, since it uses less digits than its factorization.

1211020112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12033991 (or 12033989 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1211020112212 its reverse (2122110201121), we get a palindrome (3333130313333).

The spelling of 1211020112212 in words is "one trillion, two hundred eleven billion, twenty million, one hundred twelve thousand, two hundred twelve".