120121220210 has 32 divisors (see below), whose sum is σ = 229415016960. Its totient is φ = 45127666432.

The previous prime is 120121220179. The next prime is 120121220251. The reversal of 120121220210 is 12022121021.

It is a Curzon 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, 656144 + ... + 819003.

It is an arithmetic number, because the mean of its divisors is an integer number (7169219280).

Almost surely, 2^120121220210 is an apocalyptic number.

120121220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121220210 is a deficient number, since it is larger than the sum of its proper divisors (109293796750).

120121220210 is a wasteful number, since it uses less digits than its factorization.

120121220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475650.

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

Adding to 120121220210 its reverse (12022121021), we get a palindrome (132143341231).

The spelling of 120121220210 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred twenty thousand, two hundred ten".