212020299984 has 120 divisors (see below), whose sum is σ = 584106864768. Its totient is φ = 66256240640.

The previous prime is 212020299947. The next prime is 212020300049. The reversal of 212020299984 is 489992020212.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3535369 + ... + 3594839.

Almost surely, 2^212020299984 is an apocalyptic number.

212020299984 is a gapful number since it is divisible by the number (24) 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 212020299984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292053432384).

212020299984 is an abundant number, since it is smaller than the sum of its proper divisors (372086564784).

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

212020299984 is a wasteful number, since it uses less digits than its factorization.

212020299984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59773 (or 59750 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 212020299984 in words is "two hundred twelve billion, twenty million, two hundred ninety-nine thousand, nine hundred eighty-four".