4212532906 has 4 divisors (see below), whose sum is σ = 6318799362. Its totient is φ = 2106266452.

The previous prime is 4212532897. The next prime is 4212532931. The reversal of 4212532906 is 6092352124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3093028225 + 1119504681 = 55615^2 + 33459^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053133225 + ... + 1053133228.

Almost surely, 2^4212532906 is an apocalyptic number.

4212532906 is a deficient number, since it is larger than the sum of its proper divisors (2106266456).

4212532906 is a wasteful number, since it uses less digits than its factorization.

4212532906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106266455.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 4212532906 is about 64904.0284265931. The cubic root of 4212532906 is about 1615.0318896405.

The spelling of 4212532906 in words is "four billion, two hundred twelve million, five hundred thirty-two thousand, nine hundred six".