1222101211012 has 12 divisors (see below), whose sum is σ = 2333102312016. Its totient is φ = 555500550440.

The previous prime is 1222101210997. The next prime is 1222101211013. The reversal of 1222101211012 is 2101121012221.

It is not an unprimeable number, because it can be changed into a prime (1222101211013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13887513718 + ... + 13887513805.

It is an arithmetic number, because the mean of its divisors is an integer number (194425192668).

Almost surely, 2^{1222101211012} is an apocalyptic number.

It is an amenable number.

1222101211012 is a deficient number, since it is larger than the sum of its proper divisors (1111001101004).

1222101211012 is a wasteful number, since it uses less digits than its factorization.

1222101211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27775027538 (or 27775027536 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1222101211012 its reverse (2101121012221), we get a palindrome (3323222223233).

The spelling of 1222101211012 in words is "one trillion, two hundred twenty-two billion, one hundred one million, two hundred eleven thousand, twelve".