120221121101212 has 12 divisors (see below), whose sum is σ = 210433642003480. Its totient is φ = 60097223385936.

The previous prime is 120221121101143. The next prime is 120221121101261. The reversal of 120221121101212 is 212101121122021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120221121101212.

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, 3334270887 + ... + 3334306942.

Almost surely, 2^{120221121101212} is an apocalyptic number.

It is an amenable number.

120221121101212 is a deficient number, since it is larger than the sum of its proper divisors (90212520902268).

120221121101212 is a wasteful number, since it uses less digits than its factorization.

120221121101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668582340 (or 6668582338 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120221121101212 its reverse (212101121122021), we get a palindrome (332322242223233).

The spelling of 120221121101212 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred one thousand, two hundred twelve".