212148986700 has 576 divisors, whose sum is σ = 757071544320. Its totient is φ = 44827776000.

The previous prime is 212148986659. The next prime is 212148986713. The reversal of 212148986700 is 7689841212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212148986700.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 194453155 + ... + 194454245.

It is an arithmetic number, because the mean of its divisors is an integer number (1314360320).

Almost surely, 2^212148986700 is an apocalyptic number.

212148986700 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 212148986700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378535772160).

212148986700 is an abundant number, since it is smaller than the sum of its proper divisors (544922557620).

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

212148986700 is a wasteful number, since it uses less digits than its factorization.

212148986700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 212148986700 in words is "two hundred twelve billion, one hundred forty-eight million, nine hundred eighty-six thousand, seven hundred".