1222120131232 has 288 divisors, whose sum is σ = 3292287405120. Its totient is φ = 438975774720.

The previous prime is 1222120131227. The next prime is 1222120131299. The reversal of 1222120131232 is 2321310212221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208301163 + ... + 208307029.

It is an arithmetic number, because the mean of its divisors is an integer number (11431553490).

Almost surely, 2^{1222120131232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222120131232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646143702560).

1222120131232 is an abundant number, since it is smaller than the sum of its proper divisors (2070167273888).

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

1222120131232 is a wasteful number, since it uses less digits than its factorization.

1222120131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844 (or 6829 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1222120131232 its reverse (2321310212221), we get a palindrome (3543430343453).

The spelling of 1222120131232 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, one hundred thirty-one thousand, two hundred thirty-two".