1212110120212 has 24 divisors (see below), whose sum is σ = 2122576112160. Its totient is φ = 605659924320.

The previous prime is 1212110120191. The next prime is 1212110120261. The reversal of 1212110120212 is 2120210112121.

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, 54659887 + ... + 54682057.

It is an arithmetic number, because the mean of its divisors is an integer number (88440671340).

Almost surely, 2^{1212110120212} is an apocalyptic number.

It is an amenable number.

1212110120212 is a deficient number, since it is larger than the sum of its proper divisors (910465991948).

1212110120212 is a wasteful number, since it uses less digits than its factorization.

1212110120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30471 (or 30469 counting only the distinct ones).

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

Adding to 1212110120212 its reverse (2120210112121), we get a palindrome (3332320232333).

The spelling of 1212110120212 in words is "one trillion, two hundred twelve billion, one hundred ten million, one hundred twenty thousand, two hundred twelve".