412123215 has 32 divisors (see below), whose sum is σ = 755467776. Its totient is φ = 187931520.

The previous prime is 412123211. The next prime is 412123219. The reversal of 412123215 is 512321214.

It is an interprime number because it is at equal distance from previous prime (412123211) and next prime (412123219).

It is not a de Polignac number, because 412123215 - 2² = 412123211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 412123191 and 412123200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412123211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39544 + ... + 48866.

It is an arithmetic number, because the mean of its divisors is an integer number (23608368).

Almost surely, 2^412123215 is an apocalyptic number.

412123215 is a deficient number, since it is larger than the sum of its proper divisors (343344561).

412123215 is a wasteful number, since it uses less digits than its factorization.

412123215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9759.

The product of its digits is 480, while the sum is 21.

The square root of 412123215 is about 20300.8180869639. The cubic root of 412123215 is about 744.1760570895.

Adding to 412123215 its reverse (512321214), we get a palindrome (924444429).

The spelling of 412123215 in words is "four hundred twelve million, one hundred twenty-three thousand, two hundred fifteen".