212137104380530 has 32 divisors (see below), whose sum is σ = 459364556856960. Its totient is φ = 68904683527680.

The previous prime is 212137104380489. The next prime is 212137104380543. The reversal of 212137104380530 is 35083401731212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79750789791 + ... + 79750792450.

It is an arithmetic number, because the mean of its divisors is an integer number (14355142401780).

Almost surely, 2^{212137104380530} is an apocalyptic number.

212137104380530 is an abundant number, since it is smaller than the sum of its proper divisors (247227452476430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212137104380530 is a wasteful number, since it uses less digits than its factorization.

212137104380530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159501582274.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 212137104380530 in words is "two hundred twelve trillion, one hundred thirty-seven billion, one hundred four million, three hundred eighty thousand, five hundred thirty".