212401334 has 4 divisors (see below), whose sum is σ = 318602004. Its totient is φ = 106200666.

The previous prime is 212401309. The next prime is 212401339. The reversal of 212401334 is 433104212.

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

It is a super-2 number, since 2×212401334² = 90228653369959112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212401339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53100332 + ... + 53100335.

It is an arithmetic number, because the mean of its divisors is an integer number (79650501).

Almost surely, 2^212401334 is an apocalyptic number.

212401334 is a deficient number, since it is larger than the sum of its proper divisors (106200670).

212401334 is a wasteful number, since it uses less digits than its factorization.

212401334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106200669.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 212401334 is about 14573.9951283099. The cubic root of 212401334 is about 596.6492238519.

Adding to 212401334 its reverse (433104212), we get a palindrome (645505546).

The spelling of 212401334 in words is "two hundred twelve million, four hundred one thousand, three hundred thirty-four".