1221332122302 has 16 divisors (see below), whose sum is σ = 2443883771520. Its totient is φ = 406907452952.

The previous prime is 1221332122291. The next prime is 1221332122303. The reversal of 1221332122302 is 2032212331221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221332122303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50800602 + ... + 50824637.

It is an arithmetic number, because the mean of its divisors is an integer number (152742735720).

Almost surely, 2^{1221332122302} is an apocalyptic number.

1221332122302 is an abundant number, since it is smaller than the sum of its proper divisors (1222551649218).

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

1221332122302 is a wasteful number, since it uses less digits than its factorization.

1221332122302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101627247.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1221332122302 its reverse (2032212331221), we get a palindrome (3253544453523).

The spelling of 1221332122302 in words is "one trillion, two hundred twenty-one billion, three hundred thirty-two million, one hundred twenty-two thousand, three hundred two".