210022021200212 has 96 divisors (see below), whose sum is σ = 404825702027040. Its totient is φ = 94749450485760.

The previous prime is 210022021200107. The next prime is 210022021200217. The reversal of 210022021200212 is 212002120220012.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 203264444183056 + 6757577017156 = 14257084^2 + 2599534^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022021200217) 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, 5499523214 + ... + 5499561402.

It is an arithmetic number, because the mean of its divisors is an integer number (4216934396115).

Almost surely, 2^{210022021200212} is an apocalyptic number.

It is an amenable number.

210022021200212 is a deficient number, since it is larger than the sum of its proper divisors (194803680826828).

210022021200212 is a wasteful number, since it uses less digits than its factorization.

210022021200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51213 (or 51211 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210022021200212 its reverse (212002120220012), we get a palindrome (422024141420224).

The spelling of 210022021200212 in words is "two hundred ten trillion, twenty-two billion, twenty-one million, two hundred thousand, two hundred twelve".