1210112211212 has 12 divisors (see below), whose sum is σ = 2118254713176. Its totient is φ = 604896578880.

The previous prime is 1210112211197. The next prime is 1210112211227. The reversal of 1210112211212 is 2121122110121.

It is an interprime number because it is at equal distance from previous prime (1210112211197) and next prime (1210112211227).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39864614 + ... + 39894957.

It is an arithmetic number, because the mean of its divisors is an integer number (176521226098).

Almost surely, 2^{1210112211212} is an apocalyptic number.

It is an amenable number.

1210112211212 is a deficient number, since it is larger than the sum of its proper divisors (908142501964).

1210112211212 is a wasteful number, since it uses less digits than its factorization.

1210112211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79763368 (or 79763366 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1210112211212 its reverse (2121122110121), we get a palindrome (3331234321333).

The spelling of 1210112211212 in words is "one trillion, two hundred ten billion, one hundred twelve million, two hundred eleven thousand, two hundred twelve".