1112201121212 has 6 divisors (see below), whose sum is σ = 1946351962128. Its totient is φ = 556100560604.

The previous prime is 1112201121209. The next prime is 1112201121233. The reversal of 1112201121212 is 2121211022111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139025140148 + ... + 139025140155.

It is an arithmetic number, because the mean of its divisors is an integer number (324391993688).

Almost surely, 2^{1112201121212} is an apocalyptic number.

It is an amenable number.

1112201121212 is a deficient number, since it is larger than the sum of its proper divisors (834150840916).

1112201121212 is a wasteful number, since it uses less digits than its factorization.

1112201121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278050280307 (or 278050280305 counting only the distinct ones).

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

Adding to 1112201121212 its reverse (2121211022111), we get a palindrome (3233412143323).

The spelling of 1112201121212 in words is "one trillion, one hundred twelve billion, two hundred one million, one hundred twenty-one thousand, two hundred twelve".