912210401 has 8 divisors (see below), whose sum is σ = 931516200. Its totient is φ = 892982272.

The previous prime is 912210391. The next prime is 912210413. The reversal of 912210401 is 104012219.

It can be written as a sum of positive squares in 4 ways, for example, as 338560000 + 573650401 = 18400^2 + 23951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-912210401 is a prime.

It is a super-3 number, since 3×912210401³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (912219401) 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, 4631 + ... + 42963.

It is an arithmetic number, because the mean of its divisors is an integer number (116439525).

Almost surely, 2^912210401 is an apocalyptic number.

It is an amenable number.

912210401 is a deficient number, since it is larger than the sum of its proper divisors (19305799).

912210401 is a wasteful number, since it uses less digits than its factorization.

912210401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38835.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 912210401 is about 30202.8210768464. The cubic root of 912210401 is about 969.8360870160.

The spelling of 912210401 in words is "nine hundred twelve million, two hundred ten thousand, four hundred one".