1220012231102 has 24 divisors (see below), whose sum is σ = 2240838795240. Its totient is φ = 495343311120.

The previous prime is 1220012230979. The next prime is 1220012231107. The reversal of 1220012231102 is 2011322100221.

It is a super-2 number, since 2×1220012231102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220012231107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327606149 + ... + 327609872.

It is an arithmetic number, because the mean of its divisors is an integer number (93368283135).

Almost surely, 2^{1220012231102} is an apocalyptic number.

1220012231102 is a deficient number, since it is larger than the sum of its proper divisors (1020826564138).

1220012231102 is a wasteful number, since it uses less digits than its factorization.

1220012231102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655216056 (or 655216049 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1220012231102 its reverse (2011322100221), we get a palindrome (3231334331323).

The spelling of 1220012231102 in words is "one trillion, two hundred twenty billion, twelve million, two hundred thirty-one thousand, one hundred two".