1312222010 has 48 divisors (see below), whose sum is σ = 2749011048. Its totient is φ = 449095680.

The previous prime is 1312222003. The next prime is 1312222019. The reversal of 1312222010 is 102222131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1312105729 + 116281 = 36223^2 + 341^2 .

It is not an unprimeable number, because it can be changed into a prime (1312222019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11327 + ... + 52466.

Almost surely, 2^1312222010 is an apocalyptic number.

1312222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312222010 is an abundant number, since it is smaller than the sum of its proper divisors (1436789038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312222010 is a wasteful number, since it uses less digits than its factorization.

1312222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63839 (or 63828 counting only the distinct ones).

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

The square root of 1312222010 is about 36224.6050358040. The cubic root of 1312222010 is about 1094.8024803060.

Adding to 1312222010 its reverse (102222131), we get a palindrome (1414444141).

It can be divided in two parts, 1312 and 222010, that added together give a palindrome (223322).

The spelling of 1312222010 in words is "one billion, three hundred twelve million, two hundred twenty-two thousand, ten".