12221202120022 has 16 divisors (see below), whose sum is σ = 21861529258752. Its totient is φ = 5009933788200.

The previous prime is 12221202120019. The next prime is 12221202120109. The reversal of 12221202120022 is 22002120212221.

It is a super-3 number, since 3×12221202120022³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18977021604 + ... + 18977022247.

It is an arithmetic number, because the mean of its divisors is an integer number (1366345578672).

Almost surely, 2^{12221202120022} is an apocalyptic number.

12221202120022 is a deficient number, since it is larger than the sum of its proper divisors (9640327138730).

12221202120022 is a wasteful number, since it uses less digits than its factorization.

12221202120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37954043883.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12221202120022 its reverse (22002120212221), we get a palindrome (34223322332243).

The spelling of 12221202120022 in words is "twelve trillion, two hundred twenty-one billion, two hundred two million, one hundred twenty thousand, twenty-two".