1201211120212 has 48 divisors (see below), whose sum is σ = 2216678188032. Its totient is φ = 568428917760.

The previous prime is 1201211120167. The next prime is 1201211120231. The reversal of 1201211120212 is 2120211121021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41955262 + ... + 41983882.

It is an arithmetic number, because the mean of its divisors is an integer number (46180795584).

Almost surely, 2^{1201211120212} is an apocalyptic number.

It is an amenable number.

1201211120212 is a deficient number, since it is larger than the sum of its proper divisors (1015467067820).

1201211120212 is a wasteful number, since it uses less digits than its factorization.

1201211120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33448 (or 33446 counting only the distinct ones).

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

Adding to 1201211120212 its reverse (2120211121021), we get a palindrome (3321422241233).

The spelling of 1201211120212 in words is "one trillion, two hundred one billion, two hundred eleven million, one hundred twenty thousand, two hundred twelve".