103212070 has 16 divisors (see below), whose sum is σ = 200072880. Its totient is φ = 38109024.

The previous prime is 103212059. The next prime is 103212071. The reversal of 103212070 is 70212301.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103212071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396840 + ... + 397099.

It is an arithmetic number, because the mean of its divisors is an integer number (12504555).

Almost surely, 2^103212070 is an apocalyptic number.

103212070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103212070 is a deficient number, since it is larger than the sum of its proper divisors (96860810).

103212070 is a wasteful number, since it uses less digits than its factorization.

103212070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793959.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 103212070 is about 10159.3341317234. The cubic root of 103212070 is about 469.0763056591.

Adding to 103212070 its reverse (70212301), we get a palindrome (173424371).

The spelling of 103212070 in words is "one hundred three million, two hundred twelve thousand, seventy".