121012123010110 has 16 divisors (see below), whose sum is σ = 217900943088336. Its totient is φ = 48387266610688.

The previous prime is 121012123010081. The next prime is 121012123010147. The reversal of 121012123010110 is 11010321210121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2197795264 + ... + 2197850323.

It is an arithmetic number, because the mean of its divisors is an integer number (13618808943021).

Almost surely, 2^{121012123010110} is an apocalyptic number.

121012123010110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121012123010110 is a deficient number, since it is larger than the sum of its proper divisors (96888820078226).

121012123010110 is a wasteful number, since it uses less digits than its factorization.

121012123010110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4395648347.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 121012123010110 its reverse (11010321210121), we get a palindrome (132022444220231).

The spelling of 121012123010110 in words is "one hundred twenty-one trillion, twelve billion, one hundred twenty-three million, ten thousand, one hundred ten".