1231102202 has 32 divisors (see below), whose sum is σ = 2031027264. Its totient is φ = 555033600.

The previous prime is 1231102189. The next prime is 1231102253. The reversal of 1231102202 is 2022011321.

It is a happy number.

1231102202 is nontrivially palindromic in base 12.

It is a super-2 number, since 2×1231102202² = 3031225263538497608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2133338 + ... + 2133914.

It is an arithmetic number, because the mean of its divisors is an integer number (63469602).

Almost surely, 2^1231102202 is an apocalyptic number.

1231102202 is a deficient number, since it is larger than the sum of its proper divisors (799925062).

1231102202 is a wasteful number, since it uses less digits than its factorization.

1231102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1231102202 is about 35087.0660215413. The cubic root of 1231102202 is about 1071.7612133596.

Adding to 1231102202 its reverse (2022011321), we get a palindrome (3253113523).

The spelling of 1231102202 in words is "one billion, two hundred thirty-one million, one hundred two thousand, two hundred two".