103213020112 has 10 divisors (see below), whose sum is σ = 199975226498. Its totient is φ = 51606510048.

The previous prime is 103213020109. The next prime is 103213020121. The reversal of 103213020112 is 211020312301.

It can be written as a sum of positive squares in only one way, i.e., 79093687696 + 24119332416 = 281236^2 + 155304^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 6450813757 = 103213020112 / (1 + 0 + 3 + 2 + 1 + 3 + 0 + 2 + 0 + 1 + 1 + 2).

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 as a sum of consecutive naturals, namely, 3225406863 + ... + 3225406894.

Almost surely, 2^103213020112 is an apocalyptic number.

It is an amenable number.

103213020112 is a deficient number, since it is larger than the sum of its proper divisors (96762206386).

103213020112 is an equidigital number, since it uses as much as digits as its factorization.

103213020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6450813765 (or 6450813759 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103213020112 its reverse (211020312301), we get a palindrome (314233332413).

The spelling of 103213020112 in words is "one hundred three billion, two hundred thirteen million, twenty thousand, one hundred twelve".