212354546 has 4 divisors (see below), whose sum is σ = 318531822. Its totient is φ = 106177272.

The previous prime is 212354533. The next prime is 212354551. The reversal of 212354546 is 645453212.

212354546 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 155276521 + 57078025 = 12461^2 + 7555^2 .

It is a super-2 number, since 2×212354546² = 90188906413732232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53088635 + ... + 53088638.

Almost surely, 2^212354546 is an apocalyptic number.

212354546 is a deficient number, since it is larger than the sum of its proper divisors (106177276).

212354546 is a wasteful number, since it uses less digits than its factorization.

212354546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106177275.

The product of its digits is 28800, while the sum is 32.

The square root of 212354546 is about 14572.3898520455. The cubic root of 212354546 is about 596.6054104518.

The spelling of 212354546 in words is "two hundred twelve million, three hundred fifty-four thousand, five hundred forty-six".