6212799900 has 288 divisors, whose sum is σ = 20776448000. Its totient is φ = 1590969600.

The previous prime is 6212799899. The next prime is 6212799937. The reversal of 6212799900 is 99972126.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16656114 + ... + 16656486.

Almost surely, 2^6212799900 is an apocalyptic number.

6212799900 is a gapful number since it is divisible by the number (60) 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 6212799900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10388224000).

6212799900 is an abundant number, since it is smaller than the sum of its proper divisors (14563648100).

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

6212799900 is a wasteful number, since it uses less digits than its factorization.

6212799900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 6212799900 is about 78821.3162792908. The cubic root of 6212799900 is about 1838.3539054937.

The spelling of 6212799900 in words is "six billion, two hundred twelve million, seven hundred ninety-nine thousand, nine hundred".