12121223033210 has 32 divisors (see below), whose sum is σ = 22300631147520. Its totient is φ = 4742116910272.

The previous prime is 12121223033197. The next prime is 12121223033219. The reversal of 12121223033210 is 1233032212121.

It is not an unprimeable number, because it can be changed into a prime (12121223033219) 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, 52027034 + ... + 52259493.

It is an arithmetic number, because the mean of its divisors is an integer number (696894723360).

Almost surely, 2^{12121223033210} is an apocalyptic number.

12121223033210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121223033210 is a deficient number, since it is larger than the sum of its proper divisors (10179408114310).

12121223033210 is a wasteful number, since it uses less digits than its factorization.

12121223033210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104286790.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12121223033210 its reverse (1233032212121), we get a palindrome (13354255245331).

The spelling of 12121223033210 in words is "twelve trillion, one hundred twenty-one billion, two hundred twenty-three million, thirty-three thousand, two hundred ten".