103220712 has 48 divisors (see below), whose sum is σ = 319494240. Its totient is φ = 29491488.

The previous prime is 103220701. The next prime is 103220717. The reversal of 103220712 is 217022301.

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 (103220717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101898 + ... + 102905.

It is an arithmetic number, because the mean of its divisors is an integer number (6656130).

Almost surely, 2^103220712 is an apocalyptic number.

103220712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103220712 is an abundant number, since it is smaller than the sum of its proper divisors (216273528).

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

103220712 is a wasteful number, since it uses less digits than its factorization.

103220712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204822 (or 204815 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 103220712 is about 10159.7594459711. The cubic root of 103220712 is about 469.0893972942.

The spelling of 103220712 in words is "one hundred three million, two hundred twenty thousand, seven hundred twelve".