212030015254 has 8 divisors (see below), whose sum is σ = 318118032288. Its totient is φ = 105990671160.

The previous prime is 212030015209. The next prime is 212030015257. The reversal of 212030015254 is 452510030212.

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

It is a super-2 number, since 2×212030015254² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212030015257) 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, 12157342 + ... + 12174769.

It is an arithmetic number, because the mean of its divisors is an integer number (39764754036).

Almost surely, 2^212030015254 is an apocalyptic number.

212030015254 is a deficient number, since it is larger than the sum of its proper divisors (106088017034).

212030015254 is a wasteful number, since it uses less digits than its factorization.

212030015254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24336470.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 212030015254 its reverse (452510030212), we get a palindrome (664540045466).

The spelling of 212030015254 in words is "two hundred twelve billion, thirty million, fifteen thousand, two hundred fifty-four".