1211112102212 has 12 divisors (see below), whose sum is σ = 2119462980096. Its totient is φ = 605551250760.

The previous prime is 1211112102209. The next prime is 1211112102217. The reversal of 1211112102212 is 2122012111121.

It is a super-3 number, since 3×1211112102212³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211112102217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598964 + ... + 1667627.

It is an arithmetic number, because the mean of its divisors is an integer number (176621915008).

Almost surely, 2^{1211112102212} is an apocalyptic number.

It is an amenable number.

1211112102212 is a deficient number, since it is larger than the sum of its proper divisors (908350877884).

1211112102212 is a wasteful number, since it uses less digits than its factorization.

1211112102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400178 (or 2400176 counting only the distinct ones).

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

Adding to 1211112102212 its reverse (2122012111121), we get a palindrome (3333124213333).

The spelling of 1211112102212 in words is "one trillion, two hundred eleven billion, one hundred twelve million, one hundred two thousand, two hundred twelve".