1200121145222 has 8 divisors (see below), whose sum is σ = 1800814924296. Its totient is φ = 599849503792.

The previous prime is 1200121145207. The next prime is 1200121145231. The reversal of 1200121145222 is 2225411210021.

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

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, 105527303 + ... + 105538674.

It is an arithmetic number, because the mean of its divisors is an integer number (225101865537).

Almost surely, 2^{1200121145222} is an apocalyptic number.

1200121145222 is a deficient number, since it is larger than the sum of its proper divisors (600693779074).

1200121145222 is a wasteful number, since it uses less digits than its factorization.

1200121145222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211068822.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 1200121145222 its reverse (2225411210021), we get a palindrome (3425532355243).

The spelling of 1200121145222 in words is "one trillion, two hundred billion, one hundred twenty-one million, one hundred forty-five thousand, two hundred twenty-two".