121321030023210 has 64 divisors (see below), whose sum is σ = 293980973045760. Its totient is φ = 32040278023680.

The previous prime is 121321030023163. The next prime is 121321030023211. The reversal of 121321030023210 is 12320030123121.

It is not an unprimeable number, because it can be changed into a prime (121321030023211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1884627 + ... + 15690566.

It is an arithmetic number, because the mean of its divisors is an integer number (4593452703840).

Almost surely, 2^{121321030023210} is an apocalyptic number.

121321030023210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121321030023210 is an abundant number, since it is smaller than the sum of its proper divisors (172659943022550).

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

121321030023210 is a wasteful number, since it uses less digits than its factorization.

121321030023210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17577423.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121321030023210 its reverse (12320030123121), we get a palindrome (133641060146331).

The spelling of 121321030023210 in words is "one hundred twenty-one trillion, three hundred twenty-one billion, thirty million, twenty-three thousand, two hundred ten".