1312222010222 has 16 divisors (see below), whose sum is σ = 1974924556272. Its totient is φ = 653915586240.

The previous prime is 1312222010191. The next prime is 1312222010227. The reversal of 1312222010222 is 2220102222131.

It is a super-2 number, since 2×1312222010222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1312222010194 and 1312222010203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312222010227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055072 + ... + 1933292.

It is an arithmetic number, because the mean of its divisors is an integer number (123432784767).

Almost surely, 2^{1312222010222} is an apocalyptic number.

1312222010222 is a deficient number, since it is larger than the sum of its proper divisors (662702546050).

1312222010222 is a wasteful number, since it uses less digits than its factorization.

1312222010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880723.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1312222010222 its reverse (2220102222131), we get a palindrome (3532324232353).

The spelling of 1312222010222 in words is "one trillion, three hundred twelve billion, two hundred twenty-two million, ten thousand, two hundred twenty-two".