111212012002 has 48 divisors (see below), whose sum is σ = 209918483712. Its totient is φ = 43798557600.

The previous prime is 111212011931. The next prime is 111212012039. The reversal of 111212012002 is 200210212111.

It is a super-2 number, since 2×111212012002² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88377 + ... + 479827.

It is an arithmetic number, because the mean of its divisors is an integer number (4373301744).

Almost surely, 2^111212012002 is an apocalyptic number.

111212012002 is a deficient number, since it is larger than the sum of its proper divisors (98706471710).

111212012002 is a wasteful number, since it uses less digits than its factorization.

111212012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391703 (or 391696 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111212012002 its reverse (200210212111), we get a palindrome (311422224113).

The spelling of 111212012002 in words is "one hundred eleven billion, two hundred twelve million, twelve thousand, two".