1222313231132 has 24 divisors (see below), whose sum is σ = 2528923928160. Its totient is φ = 505784784960.

The previous prime is 1222313231129. The next prime is 1222313231141. The reversal of 1222313231132 is 2311323132221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752655119 + ... + 752656742.

It is an arithmetic number, because the mean of its divisors is an integer number (105371830340).

Almost surely, 2^{1222313231132} is an apocalyptic number.

It is an amenable number.

1222313231132 is an abundant number, since it is smaller than the sum of its proper divisors (1306610697028).

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

1222313231132 is a wasteful number, since it uses less digits than its factorization.

1222313231132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505311901 (or 1505311899 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

Adding to 1222313231132 its reverse (2311323132221), we get a palindrome (3533636363353).

The spelling of 1222313231132 in words is "one trillion, two hundred twenty-two billion, three hundred thirteen million, two hundred thirty-one thousand, one hundred thirty-two".