103223011212 has 72 divisors (see below), whose sum is σ = 279008900352. Its totient is φ = 32063040000.

The previous prime is 103223011211. The next prime is 103223011219. The reversal of 103223011212 is 212110322301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (103223011211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 773164 + ... + 896787.

It is an arithmetic number, because the mean of its divisors is an integer number (3875123616).

Almost surely, 2^103223011212 is an apocalyptic number.

103223011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103223011212 is an abundant number, since it is smaller than the sum of its proper divisors (175785889140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103223011212 is a wasteful number, since it uses less digits than its factorization.

103223011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670079 (or 1670074 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103223011212 its reverse (212110322301), we get a palindrome (315333333513).

The spelling of 103223011212 in words is "one hundred three billion, two hundred twenty-three million, eleven thousand, two hundred twelve".