212150433 has 32 divisors (see below), whose sum is σ = 322578432. Its totient is φ = 122875200.

The previous prime is 212150431. The next prime is 212150437. The reversal of 212150433 is 334051212.

It is not a de Polignac number, because 212150433 - 2¹ = 212150431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212150431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65103 + ... + 68283.

It is an arithmetic number, because the mean of its divisors is an integer number (10080576).

Almost surely, 2^212150433 is an apocalyptic number.

It is an amenable number.

212150433 is a deficient number, since it is larger than the sum of its proper divisors (110427999).

212150433 is a wasteful number, since it uses less digits than its factorization.

212150433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 212150433 is about 14565.3847528996. The cubic root of 212150433 is about 596.4141988522.

The spelling of 212150433 in words is "two hundred twelve million, one hundred fifty thousand, four hundred thirty-three".