1231122202302 has 32 divisors (see below), whose sum is σ = 2570922021888. Its totient is φ = 392283680096.

The previous prime is 1231122202291. The next prime is 1231122202351. The reversal of 1231122202302 is 2032022211321.

It is a super-2 number, since 2×1231122202302² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2599353 + ... + 3036260.

It is an arithmetic number, because the mean of its divisors is an integer number (80341313184).

Almost surely, 2^{1231122202302} is an apocalyptic number.

1231122202302 is an abundant number, since it is smaller than the sum of its proper divisors (1339799819586).

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

1231122202302 is a wasteful number, since it uses less digits than its factorization.

1231122202302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5637224.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1231122202302 its reverse (2032022211321), we get a palindrome (3263144413623).

The spelling of 1231122202302 in words is "one trillion, two hundred thirty-one billion, one hundred twenty-two million, two hundred two thousand, three hundred two".