1220222120402 has 8 divisors (see below), whose sum is σ = 1872899068656. Its totient is φ = 595922430852.

The previous prime is 1220222120401. The next prime is 1220222120419. The reversal of 1220222120402 is 2040212220221.

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

It is not an unprimeable number, because it can be changed into a prime (1220222120401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7094314568 + ... + 7094314739.

It is an arithmetic number, because the mean of its divisors is an integer number (234112383582).

Almost surely, 2^{1220222120402} is an apocalyptic number.

1220222120402 is a deficient number, since it is larger than the sum of its proper divisors (652676948254).

1220222120402 is a wasteful number, since it uses less digits than its factorization.

1220222120402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14188629352.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1220222120402 its reverse (2040212220221), we get a palindrome (3260434340623).

The spelling of 1220222120402 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, one hundred twenty thousand, four hundred two".