100212122120210 has 8 divisors (see below), whose sum is σ = 180381819816396. Its totient is φ = 40084848848080.

The previous prime is 100212122120189. The next prime is 100212122120219. The reversal of 100212122120210 is 12021221212001.

It can be written as a sum of positive squares in 2 ways, for example, as 97835896787209 + 2376225333001 = 9891203^2 + 1541501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100212122120219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5010606106001 + ... + 5010606106020.

Almost surely, 2^{100212122120210} is an apocalyptic number.

100212122120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100212122120210 is a deficient number, since it is larger than the sum of its proper divisors (80169697696186).

100212122120210 is a wasteful number, since it uses less digits than its factorization.

100212122120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10021212212028.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100212122120210 its reverse (12021221212001), we get a palindrome (112233343332211).

The spelling of 100212122120210 in words is "one hundred trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twenty thousand, two hundred ten".