111012212012 has 48 divisors (see below), whose sum is σ = 212687530944. Its totient is φ = 50392800000.

The previous prime is 111012211991. The next prime is 111012212039. The reversal of 111012212012 is 210212210111.

It is a super-2 number, since 2×111012212012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723062 + ... + 863042.

It is an arithmetic number, because the mean of its divisors is an integer number (4430990228).

Almost surely, 2^111012212012 is an apocalyptic number.

It is an amenable number.

111012212012 is a deficient number, since it is larger than the sum of its proper divisors (101675318932).

111012212012 is a wasteful number, since it uses less digits than its factorization.

111012212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140250 (or 140248 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111012212012 its reverse (210212210111), we get a palindrome (321224422123).

The spelling of 111012212012 in words is "one hundred eleven billion, twelve million, two hundred twelve thousand, twelve".