1221232302022 has 8 divisors (see below), whose sum is σ = 1836681827400. Its totient is φ = 609005026224.

The previous prime is 1221232302013. The next prime is 1221232302049. The reversal of 1221232302022 is 2202032321221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1221232301984 and 1221232302002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805561447 + ... + 805562962.

It is an arithmetic number, because the mean of its divisors is an integer number (229585228425).

Almost surely, 2^{1221232302022} is an apocalyptic number.

1221232302022 is a deficient number, since it is larger than the sum of its proper divisors (615449525378).

1221232302022 is a wasteful number, since it uses less digits than its factorization.

1221232302022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611124790.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1221232302022 its reverse (2202032321221), we get a palindrome (3423264623243).

The spelling of 1221232302022 in words is "one trillion, two hundred twenty-one billion, two hundred thirty-two million, three hundred two thousand, twenty-two".