1312210122 has 32 divisors (see below), whose sum is σ = 2764150272. Its totient is φ = 414471024.

The previous prime is 1312210103. The next prime is 1312210153. The reversal of 1312210122 is 2210122131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29668 + ... + 59199.

It is an arithmetic number, because the mean of its divisors is an integer number (86379696).

Almost surely, 2^1312210122 is an apocalyptic number.

1312210122 is an abundant number, since it is smaller than the sum of its proper divisors (1451940150).

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

1312210122 is a wasteful number, since it uses less digits than its factorization.

1312210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89002.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1312210122 is about 36224.4409480671. The cubic root of 1312210122 is about 1094.7991741959.

Adding to 1312210122 its reverse (2210122131), we get a palindrome (3522332253).

It can be divided in two parts, 131 and 2210122, that multiplied together give a palindrome (289525982).

The spelling of 1312210122 in words is "one billion, three hundred twelve million, two hundred ten thousand, one hundred twenty-two".