215246121332 has 48 divisors (see below), whose sum is σ = 433179156480. Its totient is φ = 92555330400.

The previous prime is 215246121287. The next prime is 215246121361. The reversal of 215246121332 is 233121642512.

215246121332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391373 + ... + 763979.

It is an arithmetic number, because the mean of its divisors is an integer number (9024565760).

Almost surely, 2^215246121332 is an apocalyptic number.

215246121332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

215246121332 is an abundant number, since it is smaller than the sum of its proper divisors (217933035148).

215246121332 is a wasteful number, since it uses less digits than its factorization.

215246121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373332 (or 373330 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

Adding to 215246121332 its reverse (233121642512), we get a palindrome (448367763844).

The spelling of 215246121332 in words is "two hundred fifteen billion, two hundred forty-six million, one hundred twenty-one thousand, three hundred thirty-two".