421213010 has 8 divisors (see below), whose sum is σ = 758183436. Its totient is φ = 168485200.

The previous prime is 421212983. The next prime is 421213031. The reversal of 421213010 is 10312124.

It can be written as a sum of positive squares in 2 ways, for example, as 401561521 + 19651489 = 20039^2 + 4433^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21060641 + ... + 21060660.

Almost surely, 2^421213010 is an apocalyptic number.

421213010 is a deficient number, since it is larger than the sum of its proper divisors (336970426).

421213010 is a wasteful number, since it uses less digits than its factorization.

421213010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42121308.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 421213010 is about 20523.4746083601. The cubic root of 421213010 is about 749.6075042616.

Adding to 421213010 its reverse (10312124), we get a palindrome (431525134).

The spelling of 421213010 in words is "four hundred twenty-one million, two hundred thirteen thousand, ten".