122100120001210 has 32 divisors (see below), whose sum is σ = 237433031296272. Its totient is φ = 44940903168000.

The previous prime is 122100120001199. The next prime is 122100120001219. The reversal of 122100120001210 is 12100021001221.

It can be written as a sum of positive squares in 8 ways, for example, as 2570221382481 + 119529898618729 = 1603191^2 + 10932973^2 .

It is a super-3 number, since 3×122100120001210³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (122100120001219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1481396791 + ... + 1481479210.

Almost surely, 2^{122100120001210} is an apocalyptic number.

122100120001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122100120001210 is a deficient number, since it is larger than the sum of its proper divisors (115332911295062).

122100120001210 is a wasteful number, since it uses less digits than its factorization.

122100120001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962876338.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122100120001210 its reverse (12100021001221), we get a palindrome (134200141002431).

The spelling of 122100120001210 in words is "one hundred twenty-two trillion, one hundred billion, one hundred twenty million, one thousand, two hundred ten".