212302502126 has 48 divisors (see below), whose sum is σ = 397429698960. Its totient is φ = 83838059520.

The previous prime is 212302502099. The next prime is 212302502129. The reversal of 212302502126 is 621205203212.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 212302502095 and 212302502104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212302502129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201631 + ... + 1366938.

It is an arithmetic number, because the mean of its divisors is an integer number (8279785395).

Almost surely, 2^212302502126 is an apocalyptic number.

212302502126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

212302502126 is a deficient number, since it is larger than the sum of its proper divisors (185127196834).

212302502126 is a wasteful number, since it uses less digits than its factorization.

212302502126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568629 (or 2568612 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 212302502126 its reverse (621205203212), we get a palindrome (833507705338).

The spelling of 212302502126 in words is "two hundred twelve billion, three hundred two million, five hundred two thousand, one hundred twenty-six".