212202021000 has 128 divisors (see below), whose sum is σ = 671140454400. Its totient is φ = 55811980800.

The previous prime is 212202020977. The next prime is 212202021007. The reversal of 212202021000 is 120202212.

212202021000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (212202021007) 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, 265480 + ... + 703479.

It is an arithmetic number, because the mean of its divisors is an integer number (5243284800).

Almost surely, 2^212202021000 is an apocalyptic number.

212202021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212202021000 is an abundant number, since it is smaller than the sum of its proper divisors (458938433400).

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

212202021000 is a wasteful number, since it uses less digits than its factorization.

212202021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969056 (or 969042 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212202021000 its reverse (120202212), we get a palindrome (212322223212).

The spelling of 212202021000 in words is "two hundred twelve billion, two hundred two million, twenty-one thousand".