103212255 has 16 divisors (see below), whose sum is σ = 168981120. Its totient is φ = 53766048.

The previous prime is 103212251. The next prime is 103212259. The reversal of 103212255 is 552212301.

It is an interprime number because it is at equal distance from previous prime (103212251) and next prime (103212259).

It is not a de Polignac number, because 103212255 - 2² = 103212251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103212251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79365 + ... + 80654.

It is an arithmetic number, because the mean of its divisors is an integer number (10561320).

Almost surely, 2^103212255 is an apocalyptic number.

103212255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103212255 is a deficient number, since it is larger than the sum of its proper divisors (65768865).

103212255 is a wasteful number, since it uses less digits than its factorization.

103212255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160070.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 103212255 is about 10159.3432366467. The cubic root of 103212255 is about 469.0765859204.

Adding to 103212255 its reverse (552212301), we get a palindrome (655424556).

The spelling of 103212255 in words is "one hundred three million, two hundred twelve thousand, two hundred fifty-five".