212013043346 has 8 divisors (see below), whose sum is σ = 342482608524. Its totient is φ = 97852173840.

The previous prime is 212013043337. The next prime is 212013043349. The reversal of 212013043346 is 643340310212.

It can be written as a sum of positive squares in 2 ways, for example, as 203938044025 + 8074999321 = 451595^2 + 89861^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212013043349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4077173885 + ... + 4077173936.

Almost surely, 2^212013043346 is an apocalyptic number.

212013043346 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

212013043346 is a deficient number, since it is larger than the sum of its proper divisors (130469565178).

212013043346 is a wasteful number, since it uses less digits than its factorization.

212013043346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8154347836.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 212013043346 its reverse (643340310212), we get a palindrome (855353353558).

The spelling of 212013043346 in words is "two hundred twelve billion, thirteen million, forty-three thousand, three hundred forty-six".