12211110023012 has 24 divisors (see below), whose sum is σ = 21594460048896. Its totient is φ = 6041291781888.

The previous prime is 12211110022973. The next prime is 12211110023017. The reversal of 12211110023012 is 21032001111221.

It is a happy number.

It is a super-2 number, since 2×12211110023012² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211110023017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1655348 + ... + 5211755.

It is an arithmetic number, because the mean of its divisors is an integer number (899769168704).

Almost surely, 2^{12211110023012} is an apocalyptic number.

It is an amenable number.

12211110023012 is a deficient number, since it is larger than the sum of its proper divisors (9383350025884).

12211110023012 is a wasteful number, since it uses less digits than its factorization.

12211110023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6871787 (or 6871785 counting only the distinct ones).

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

Adding to 12211110023012 its reverse (21032001111221), we get a palindrome (33243111134233).

The spelling of 12211110023012 in words is "twelve trillion, two hundred eleven billion, one hundred ten million, twenty-three thousand, twelve".