121322310210010 has 96 divisors (see below), whose sum is σ = 273667329991440. Its totient is φ = 38383572907008.

The previous prime is 121322310209951. The next prime is 121322310210029. The reversal of 121322310210010 is 10012013223121.

It can be written as a sum of positive squares in 8 ways, for example, as 10607742844209 + 110714567365801 = 3256953^2 + 10522099^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121322310210010.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15705072 + ... + 22119988.

Almost surely, 2^{121322310210010} is an apocalyptic number.

121322310210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121322310210010 is an abundant number, since it is smaller than the sum of its proper divisors (152345019781430).

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

121322310210010 is a wasteful number, since it uses less digits than its factorization.

121322310210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6417920 (or 6417913 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121322310210010 its reverse (10012013223121), we get a palindrome (131334323433131).

The spelling of 121322310210010 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, three hundred ten million, two hundred ten thousand, ten".