11111234012 has 12 divisors (see below), whose sum is σ = 19446708960. Its totient is φ = 5555031456.

The previous prime is 11111234003. The next prime is 11111234039. The reversal of 11111234012 is 21043211111.

It is a super-2 number, since 2×11111234012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 102212 + ... + 180747.

It is an arithmetic number, because the mean of its divisors is an integer number (1620559080).

Almost surely, 2^11111234012 is an apocalyptic number.

It is an amenable number.

11111234012 is a deficient number, since it is larger than the sum of its proper divisors (8335474948).

11111234012 is a wasteful number, since it uses less digits than its factorization.

11111234012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292780 (or 292778 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11111234012 its reverse (21043211111), we get a palindrome (32154445123).

The spelling of 11111234012 in words is "eleven billion, one hundred eleven million, two hundred thirty-four thousand, twelve".