1201211013212 has 48 divisors (see below), whose sum is σ = 2408729352960. Its totient is φ = 513454660992.

The previous prime is 1201211013181. The next prime is 1201211013229. The reversal of 1201211013212 is 2123101121021.

It is a happy number.

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, 19619864 + ... + 19680992.

It is an arithmetic number, because the mean of its divisors is an integer number (50181861520).

Almost surely, 2^{1201211013212} is an apocalyptic number.

It is an amenable number.

1201211013212 is an abundant number, since it is smaller than the sum of its proper divisors (1207518339748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201211013212 is a wasteful number, since it uses less digits than its factorization.

1201211013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62970 (or 62968 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1201211013212 its reverse (2123101121021), we get a palindrome (3324312134233).

The spelling of 1201211013212 in words is "one trillion, two hundred one billion, two hundred eleven million, thirteen thousand, two hundred twelve".