212001010988 has 36 divisors (see below), whose sum is σ = 402470780040. Its totient is φ = 97667571456.

The previous prime is 212001010987. The next prime is 212001010997. The reversal of 212001010988 is 889010100212.

It is a super-2 number, since 2×212001010988² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212001010987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83108 + ... + 656436.

It is an arithmetic number, because the mean of its divisors is an integer number (11179743890).

Almost surely, 2^212001010988 is an apocalyptic number.

It is an amenable number.

212001010988 is a deficient number, since it is larger than the sum of its proper divisors (190469769052).

212001010988 is a wasteful number, since it uses less digits than its factorization.

212001010988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573906 (or 573891 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 32.

The spelling of 212001010988 in words is "two hundred twelve billion, one million, ten thousand, nine hundred eighty-eight".