12120110021222 has 32 divisors (see below), whose sum is σ = 22018030009920. Its totient is φ = 4892895544320.

The previous prime is 12120110021213. The next prime is 12120110021267. The reversal of 12120110021222 is 22212001102121.

It is a self number, because there is not a number n which added to its sum of digits gives 12120110021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364038083 + ... + 364071374.

It is an arithmetic number, because the mean of its divisors is an integer number (688063437810).

Almost surely, 2^{12120110021222} is an apocalyptic number.

12120110021222 is a deficient number, since it is larger than the sum of its proper divisors (9897919988698).

12120110021222 is a wasteful number, since it uses less digits than its factorization.

12120110021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728109536.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12120110021222 its reverse (22212001102121), we get a palindrome (34332111123343).

The spelling of 12120110021222 in words is "twelve trillion, one hundred twenty billion, one hundred ten million, twenty-one thousand, two hundred twenty-two".