12212001112112 has 20 divisors (see below), whose sum is σ = 24164172414816. Its totient is φ = 5976085650240.

The previous prime is 12212001112097. The next prime is 12212001112121. The reversal of 12212001112112 is 21121110021221.

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, 8119680839 + ... + 8119682342.

Almost surely, 2^{12212001112112} is an apocalyptic number.

It is an amenable number.

12212001112112 is a deficient number, since it is larger than the sum of its proper divisors (11952171302704).

12212001112112 is a wasteful number, since it uses less digits than its factorization.

12212001112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16239363236 (or 16239363230 counting only the distinct ones).

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

Adding to 12212001112112 its reverse (21121110021221), we get a palindrome (33333111133333).

The spelling of 12212001112112 in words is "twelve trillion, two hundred twelve billion, one million, one hundred twelve thousand, one hundred twelve".