212520030839 has 8 divisors (see below), whose sum is σ = 227496912000. Its totient is φ = 197922311352.

The previous prime is 212520030803. The next prime is 212520030901. The reversal of 212520030839 is 938030025212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212520030839 is a prime.

It is a super-2 number, since 2×212520030839² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212520030799 and 212520030808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212520038839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94789259 + ... + 94791500.

It is an arithmetic number, because the mean of its divisors is an integer number (28437114000).

Almost surely, 2^212520030839 is an apocalyptic number.

212520030839 is a deficient number, since it is larger than the sum of its proper divisors (14976881161).

212520030839 is a wasteful number, since it uses less digits than its factorization.

212520030839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189580837.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 212520030839 in words is "two hundred twelve billion, five hundred twenty million, thirty thousand, eight hundred thirty-nine".