1212022011112 has 16 divisors (see below), whose sum is σ = 2479135932000. Its totient is φ = 550919095920.

The previous prime is 1212022011103. The next prime is 1212022011127. The reversal of 1212022011112 is 2111102202121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6886488612 + ... + 6886488787.

It is an arithmetic number, because the mean of its divisors is an integer number (154945995750).

Almost surely, 2^{1212022011112} is an apocalyptic number.

It is an amenable number.

1212022011112 is an abundant number, since it is smaller than the sum of its proper divisors (1267113920888).

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

1212022011112 is a wasteful number, since it uses less digits than its factorization.

1212022011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13772977416 (or 13772977412 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1212022011112 its reverse (2111102202121), we get a palindrome (3323124213233).

The spelling of 1212022011112 in words is "one trillion, two hundred twelve billion, twenty-two million, eleven thousand, one hundred twelve".