121012322210 has 32 divisors (see below), whose sum is σ = 246923933760. Its totient is φ = 42329815488.

The previous prime is 121012322209. The next prime is 121012322287. The reversal of 121012322210 is 12223210121.

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, 24493952 + ... + 24498891.

It is an arithmetic number, because the mean of its divisors is an integer number (7716372930).

Almost surely, 2^121012322210 is an apocalyptic number.

121012322210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121012322210 is an abundant number, since it is smaller than the sum of its proper divisors (125911611550).

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

121012322210 is a wasteful number, since it uses less digits than its factorization.

121012322210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48992882.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121012322210 its reverse (12223210121), we get a palindrome (133235532331).

The spelling of 121012322210 in words is "one hundred twenty-one billion, twelve million, three hundred twenty-two thousand, two hundred ten".