121223023010 has 32 divisors (see below), whose sum is σ = 223338753792. Its totient is φ = 47348219520.

The previous prime is 121223022971. The next prime is 121223023049. The reversal of 121223023010 is 10320322121.

It is an interprime number because it is at equal distance from previous prime (121223022971) and next prime (121223023049).

It is a self number, because there is not a number n which added to its sum of digits gives 121223023010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1564790 + ... + 1640430.

It is an arithmetic number, because the mean of its divisors is an integer number (6979336056).

Almost surely, 2^121223023010 is an apocalyptic number.

121223023010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121223023010 is a deficient number, since it is larger than the sum of its proper divisors (102115730782).

121223023010 is a wasteful number, since it uses less digits than its factorization.

121223023010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79418.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121223023010 its reverse (10320322121), we get a palindrome (131543345131).

The spelling of 121223023010 in words is "one hundred twenty-one billion, two hundred twenty-three million, twenty-three thousand, ten".