1121012112212 has 24 divisors (see below), whose sum is σ = 1963834876416. Its totient is φ = 559916735328.

The previous prime is 1121012112193. The next prime is 1121012112217. The reversal of 1121012112212 is 2122112101211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121012112217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15653078 + ... + 15724530.

It is an arithmetic number, because the mean of its divisors is an integer number (81826453184).

Almost surely, 2^{1121012112212} is an apocalyptic number.

It is an amenable number.

1121012112212 is a deficient number, since it is larger than the sum of its proper divisors (842822764204).

1121012112212 is a wasteful number, since it uses less digits than its factorization.

1121012112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75527 (or 75525 counting only the distinct ones).

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

Adding to 1121012112212 its reverse (2122112101211), we get a palindrome (3243124213423).

The spelling of 1121012112212 in words is "one trillion, one hundred twenty-one billion, twelve million, one hundred twelve thousand, two hundred twelve".