103121120212 has 12 divisors (see below), whose sum is σ = 196867593216. Its totient is φ = 46873236440.

The previous prime is 103121120197. The next prime is 103121120231. The reversal of 103121120212 is 212021121301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1171830868 + ... + 1171830955.

It is an arithmetic number, because the mean of its divisors is an integer number (16405632768).

Almost surely, 2^103121120212 is an apocalyptic number.

It is an amenable number.

103121120212 is a deficient number, since it is larger than the sum of its proper divisors (93746473004).

103121120212 is a wasteful number, since it uses less digits than its factorization.

103121120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343661838 (or 2343661836 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 103121120212 its reverse (212021121301), we get a palindrome (315142241513).

The spelling of 103121120212 in words is "one hundred three billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twelve".