212261662302 has 32 divisors (see below), whose sum is σ = 431986842144. Its totient is φ = 69512678400.

The previous prime is 212261662297. The next prime is 212261662309. The reversal of 212261662302 is 203266162212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212261662309) 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, 24699 + ... + 652022.

It is an arithmetic number, because the mean of its divisors is an integer number (13499588817).

Almost surely, 2^212261662302 is an apocalyptic number.

212261662302 is an abundant number, since it is smaller than the sum of its proper divisors (219725179842).

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

212261662302 is a wasteful number, since it uses less digits than its factorization.

212261662302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677644.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 212261662302 in words is "two hundred twelve billion, two hundred sixty-one million, six hundred sixty-two thousand, three hundred two".