120020020001210 has 24 divisors (see below), whose sum is σ = 251307225554580. Its totient is φ = 41149721143104.

The previous prime is 120020020001177. The next prime is 120020020001213. The reversal of 120020020001210 is 12100020020021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 110943604482529 + 9076415518681 = 10532977^2 + 3012709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120020020001191 and 120020020001200.

It is not an unprimeable number, because it can be changed into a prime (120020020001213) 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, 122469407675 + ... + 122469408654.

Almost surely, 2^{120020020001210} is an apocalyptic number.

120020020001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120020020001210 is an abundant number, since it is smaller than the sum of its proper divisors (131287205553370).

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

120020020001210 is a wasteful number, since it uses less digits than its factorization.

120020020001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244938816350 (or 244938816343 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120020020001210 its reverse (12100020020021), we get a palindrome (132120040021231).

The spelling of 120020020001210 in words is "one hundred twenty trillion, twenty billion, twenty million, one thousand, two hundred ten".