1232211110212 has 12 divisors (see below), whose sum is σ = 2156574631036. Its totient is φ = 616046929920.

The previous prime is 1232211110201. The next prime is 1232211110257. The reversal of 1232211110212 is 2120111122321.

It can be written as a sum of positive squares in 2 ways, for example, as 16784238916 + 1215426871296 = 129554^2 + 1102464^2 .

It is a super-2 number, since 2×1232211110212² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1232211110212.

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, 14608989 + ... + 14693092.

Almost surely, 2^{1232211110212} is an apocalyptic number.

It is an amenable number.

1232211110212 is a deficient number, since it is larger than the sum of its proper divisors (924363520824).

1232211110212 is a wasteful number, since it uses less digits than its factorization.

1232211110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29312598 (or 29312596 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1232211110212 its reverse (2120111122321), we get a palindrome (3352322232533).

The spelling of 1232211110212 in words is "one trillion, two hundred thirty-two billion, two hundred eleven million, one hundred ten thousand, two hundred twelve".