10131212222 has 4 divisors (see below), whose sum is σ = 15196818336. Its totient is φ = 5065606110.

The previous prime is 10131212213. The next prime is 10131212233. The reversal of 10131212222 is 22221213101.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10131212222² (a number of 21 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 10131212222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532803054 + ... + 2532803057.

It is an arithmetic number, because the mean of its divisors is an integer number (3799204584).

Almost surely, 2^10131212222 is an apocalyptic number.

10131212222 is a deficient number, since it is larger than the sum of its proper divisors (5065606114).

10131212222 is an equidigital number, since it uses as much as digits as its factorization.

10131212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065606113.

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

Adding to 10131212222 its reverse (22221213101), we get a palindrome (32352425323).

The spelling of 10131212222 in words is "ten billion, one hundred thirty-one million, two hundred twelve thousand, two hundred twenty-two".