212886544920 has 256 divisors, whose sum is σ = 743693322240. Its totient is φ = 47746879488.

The previous prime is 212886544919. The next prime is 212886544961. The reversal of 212886544920 is 29445688212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12071229 + ... + 12088851.

It is an arithmetic number, because the mean of its divisors is an integer number (2905052040).

Almost surely, 2^212886544920 is an apocalyptic number.

212886544920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212886544920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371846661120).

212886544920 is an abundant number, since it is smaller than the sum of its proper divisors (530806777320).

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

212886544920 is a wasteful number, since it uses less digits than its factorization.

212886544920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17914 (or 17910 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 212886544920 in words is "two hundred twelve billion, eight hundred eighty-six million, five hundred forty-four thousand, nine hundred twenty".