1211120002212 has 24 divisors (see below), whose sum is σ = 2837770723200. Its totient is φ = 402017517216.

The previous prime is 1211120002163. The next prime is 1211120002231. The reversal of 1211120002212 is 2122000211121.

It is a junction number, because it is equal to n+sod(n) for n = 1211120002191 and 1211120002200.

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, 211140787 + ... + 211146522.

It is an arithmetic number, because the mean of its divisors is an integer number (118240446800).

Almost surely, 2^{1211120002212} is an apocalyptic number.

1211120002212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1211120002212 is an abundant number, since it is smaller than the sum of its proper divisors (1626650720988).

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

1211120002212 is a wasteful number, since it uses less digits than its factorization.

1211120002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422287555 (or 422287553 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1211120002212 its reverse (2122000211121), we get a palindrome (3333120213333).

The spelling of 1211120002212 in words is "one trillion, two hundred eleven billion, one hundred twenty million, two thousand, two hundred twelve".