12220212120022 has 4 divisors (see below), whose sum is σ = 18330318180036. Its totient is φ = 6110106060010.

The previous prime is 12220212119903. The next prime is 12220212120023. The reversal of 12220212120022 is 22002121202221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220212120023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055053030004 + ... + 3055053030007.

It is an arithmetic number, because the mean of its divisors is an integer number (4582579545009).

Almost surely, 2^{12220212120022} is an apocalyptic number.

12220212120022 is a deficient number, since it is larger than the sum of its proper divisors (6110106060014).

12220212120022 is an equidigital number, since it uses as much as digits as its factorization.

12220212120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110106060013.

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

Adding to 12220212120022 its reverse (22002121202221), we get a palindrome (34222333322243).

The spelling of 12220212120022 in words is "twelve trillion, two hundred twenty billion, two hundred twelve million, one hundred twenty thousand, twenty-two".