22211233213012 has 24 divisors (see below), whose sum is σ = 39369695437800. Its totient is φ = 10963644526080.

The previous prime is 22211233213003. The next prime is 22211233213031. The reversal of 22211233213012 is 21031233211222.

It can be written as a sum of positive squares in 4 ways, for example, as 2044631168836 + 20166602044176 = 1429906^2 + 4490724^2 .

It is a super-2 number, since 2×22211233213012² (a number of 27 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 7 ways as a sum of consecutive naturals, for example, 111866137 + ... + 112064512.

It is an arithmetic number, because the mean of its divisors is an integer number (1640403976575).

Almost surely, 2^{22211233213012} is an apocalyptic number.

It is an amenable number.

22211233213012 is a deficient number, since it is larger than the sum of its proper divisors (17158462224788).

22211233213012 is a wasteful number, since it uses less digits than its factorization.

22211233213012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223930971 (or 223930969 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 22211233213012 its reverse (21031233211222), we get a palindrome (43242466424234).

The spelling of 22211233213012 in words is "twenty-two trillion, two hundred eleven billion, two hundred thirty-three million, two hundred thirteen thousand, twelve".