212030131215 has 96 divisors (see below), whose sum is σ = 418202688960. Its totient is φ = 91302758400.

The previous prime is 212030131171. The next prime is 212030131217. The reversal of 212030131215 is 512131030212.

It is not a de Polignac number, because 212030131215 - 2¹¹ = 212030129167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 212030131191 and 212030131200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212030131217) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 752605 + ... + 995225.

It is an arithmetic number, because the mean of its divisors is an integer number (4356278010).

Almost surely, 2^212030131215 is an apocalyptic number.

212030131215 is a deficient number, since it is larger than the sum of its proper divisors (206172557745).

212030131215 is a wasteful number, since it uses less digits than its factorization.

212030131215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242713 (or 242706 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 212030131215 its reverse (512131030212), we get a palindrome (724161161427).

The spelling of 212030131215 in words is "two hundred twelve billion, thirty million, one hundred thirty-one thousand, two hundred fifteen".