212530033157 has 8 divisors (see below), whose sum is σ = 236770859640. Its totient is φ = 189416687040.

The previous prime is 212530033127. The next prime is 212530033201. The reversal of 212530033157 is 751330035212.

It can be written as a sum of positive squares in 4 ways, for example, as 13070434276 + 199459598881 = 114326^2 + 446609^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212530033157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212530033127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281869694 + ... + 281870447.

It is an arithmetic number, because the mean of its divisors is an integer number (29596357455).

Almost surely, 2^212530033157 is an apocalyptic number.

It is an amenable number.

212530033157 is a deficient number, since it is larger than the sum of its proper divisors (24240826483).

212530033157 is a wasteful number, since it uses less digits than its factorization.

212530033157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563740183.

The product of its (nonzero) digits is 18900, while the sum is 32.

Adding to 212530033157 its reverse (751330035212), we get a palindrome (963860068369).

The spelling of 212530033157 in words is "two hundred twelve billion, five hundred thirty million, thirty-three thousand, one hundred fifty-seven".