212325220151 has 16 divisors (see below), whose sum is σ = 232743844608. Its totient is φ = 192093724800.

The previous prime is 212325220141. The next prime is 212325220183. The reversal of 212325220151 is 151022523212.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212325220151 is a prime.

It is a super-2 number, since 2×212325220151² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212325220151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212325220111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4064540 + ... + 4116446.

It is an arithmetic number, because the mean of its divisors is an integer number (14546490288).

Almost surely, 2^212325220151 is an apocalyptic number.

212325220151 is a deficient number, since it is larger than the sum of its proper divisors (20418624457).

212325220151 is a wasteful number, since it uses less digits than its factorization.

212325220151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53702.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 212325220151 its reverse (151022523212), we get a palindrome (363347743363).

The spelling of 212325220151 in words is "two hundred twelve billion, three hundred twenty-five million, two hundred twenty thousand, one hundred fifty-one".