212249349312 has 896 divisors, whose sum is σ = 782204387328. Its totient is φ = 49025433600.

The previous prime is 212249349227. The next prime is 212249349329. The reversal of 212249349312 is 213943942212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 682473637 + ... + 682473947.

It is an arithmetic number, because the mean of its divisors is an integer number (872995968).

Almost surely, 2^212249349312 is an apocalyptic number.

212249349312 is a gapful number since it is divisible by the number (22) 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 212249349312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391102193664).

212249349312 is an abundant number, since it is smaller than the sum of its proper divisors (569955038016).

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

212249349312 is a wasteful number, since it uses less digits than its factorization.

212249349312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 467 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The spelling of 212249349312 in words is "two hundred twelve billion, two hundred forty-nine million, three hundred forty-nine thousand, three hundred twelve".