11212012011112 has 64 divisors (see below), whose sum is σ = 23540412067200. Its totient is φ = 4963189920000.

The previous prime is 11212012011107. The next prime is 11212012011127. The reversal of 11212012011112 is 21111021021211.

It is a super-2 number, since 2×11212012011112² (a number of 27 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, 9797812 + ... + 10882147.

It is an arithmetic number, because the mean of its divisors is an integer number (367818938550).

Almost surely, 2^{11212012011112} is an apocalyptic number.

It is an amenable number.

11212012011112 is an abundant number, since it is smaller than the sum of its proper divisors (12328400056088).

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

11212012011112 is a wasteful number, since it uses less digits than its factorization.

11212012011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20680138 (or 20680134 counting only the distinct ones).

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

Adding to 11212012011112 its reverse (21111021021211), we get a palindrome (32323033032323).

It can be divided in two parts, 1121201 and 2011112, that added together give a palindrome (3132313).

The spelling of 11212012011112 in words is "eleven trillion, two hundred twelve billion, twelve million, eleven thousand, one hundred twelve".