212545152042239 has 4 divisors (see below), whose sum is σ = 219401447269440. Its totient is φ = 205688856815040.

The previous prime is 212545152042227. The next prime is 212545152042299. The reversal of 212545152042239 is 932240251545212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 212545152042239 - 2¹² = 212545152038143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212545152042193 and 212545152042202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212545152042299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3428147613554 + ... + 3428147613615.

It is an arithmetic number, because the mean of its divisors is an integer number (54850361817360).

Almost surely, 2^{212545152042239} is an apocalyptic number.

212545152042239 is a deficient number, since it is larger than the sum of its proper divisors (6856295227201).

212545152042239 is an equidigital number, since it uses as much as digits as its factorization.

212545152042239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856295227200.

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 212545152042239 in words is "two hundred twelve trillion, five hundred forty-five billion, one hundred fifty-two million, forty-two thousand, two hundred thirty-nine".