122121121210 has 32 divisors (see below), whose sum is σ = 240558014592. Its totient is φ = 44267580480.

The previous prime is 122121121201. The next prime is 122121121211. The reversal of 122121121210 is 12121121221.

122121121210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (122121121211) 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, 1716222 + ... + 1785961.

It is an arithmetic number, because the mean of its divisors is an integer number (7517437956).

Almost surely, 2^122121121210 is an apocalyptic number.

122121121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122121121210 is a deficient number, since it is larger than the sum of its proper divisors (118436893382).

122121121210 is a wasteful number, since it uses less digits than its factorization.

122121121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502518.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122121121210 its reverse (12121121221), we get a palindrome (134242242431).

It can be divided in two parts, 1221211 and 21210, that added together give a palindrome (1242421).

The spelling of 122121121210 in words is "one hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred ten".