212200010988 has 96 divisors (see below), whose sum is σ = 569096392704. Its totient is φ = 60283208448.

The previous prime is 212200010987. The next prime is 212200010993. The reversal of 212200010988 is 889010002212.

It is a super-2 number, since 2×212200010988² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212200010987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16421506 + ... + 16434422.

It is an arithmetic number, because the mean of its divisors is an integer number (5928087424).

Almost surely, 2^212200010988 is an apocalyptic number.

212200010988 is a gapful number since it is divisible by the number (28) 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 212200010988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284548196352).

212200010988 is an abundant number, since it is smaller than the sum of its proper divisors (356896381716).

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

212200010988 is a wasteful number, since it uses less digits than its factorization.

212200010988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14031 (or 14029 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 212200010988 in words is "two hundred twelve billion, two hundred million, ten thousand, nine hundred eighty-eight".