212267006490 has 256 divisors, whose sum is σ = 690147164160. Its totient is φ = 40437792000.

The previous prime is 212267006447. The next prime is 212267006491. The reversal of 212267006490 is 94600762212.

It is not an unprimeable number, because it can be changed into a prime (212267006491) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1282585 + ... + 1438595.

It is an arithmetic number, because the mean of its divisors is an integer number (2695887360).

Almost surely, 2^212267006490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212267006490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345073582080).

212267006490 is an abundant number, since it is smaller than the sum of its proper divisors (477880157670).

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

212267006490 is a wasteful number, since it uses less digits than its factorization.

212267006490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156089.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 212267006490 in words is "two hundred twelve billion, two hundred sixty-seven million, six thousand, four hundred ninety".