1121020012212 has 24 divisors (see below), whose sum is σ = 2639710735200. Its totient is φ = 370245141216.

The previous prime is 1121020012201. The next prime is 1121020012243. The reversal of 1121020012212 is 2122100201211.

It is a junction number, because it is equal to n+sod(n) for n = 1121020012191 and 1121020012200.

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, 428523162 + ... + 428525777.

It is an arithmetic number, because the mean of its divisors is an integer number (109987947300).

Almost surely, 2^{1121020012212} is an apocalyptic number.

1121020012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121020012212 is an abundant number, since it is smaller than the sum of its proper divisors (1518690722988).

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

1121020012212 is a wasteful number, since it uses less digits than its factorization.

1121020012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857049055 (or 857049053 counting only the distinct ones).

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

Adding to 1121020012212 its reverse (2122100201211), we get a palindrome (3243120213423).

The spelling of 1121020012212 in words is "one trillion, one hundred twenty-one billion, twenty million, twelve thousand, two hundred twelve".