120221121200000 has 96 divisors (see below), whose sum is σ = 299359609368120. Its totient is φ = 48088448320000.

The previous prime is 120221121199997. The next prime is 120221121200009. The reversal of 120221121200000 is 2121122021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221121200009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149876402 + ... + 150676401.

Almost surely, 2^{120221121200000} is an apocalyptic number.

120221121200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221121200000 is an abundant number, since it is smaller than the sum of its proper divisors (179138488168120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120221121200000 is an frugal number, since it uses more digits than its factorization.

120221121200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300552842 (or 300552810 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120221121200000 its reverse (2121122021), we get a palindrome (120223242322021).

The spelling of 120221121200000 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred thousand".