120201201221000 has 32 divisors (see below), whose sum is σ = 281270810859480. Its totient is φ = 48080480488000.

The previous prime is 120201201220957. The next prime is 120201201221039. The reversal of 120201201221000 is 122102102021.

It can be written as a sum of positive squares in 4 ways, for example, as 42509069930404 + 77692131290596 = 6519898^2 + 8814314^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60100599611 + ... + 60100601610.

Almost surely, 2^{120201201221000} is an apocalyptic number.

120201201221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120201201221000 is an abundant number, since it is smaller than the sum of its proper divisors (161069609638480).

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

120201201221000 is a wasteful number, since it uses less digits than its factorization.

120201201221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120201201242 (or 120201201228 counting only the distinct ones).

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

Adding to 120201201221000 its reverse (122102102021), we get a palindrome (120323303323021).

The spelling of 120201201221000 in words is "one hundred twenty trillion, two hundred one billion, two hundred one million, two hundred twenty-one thousand".