100212121002212 has 6 divisors (see below), whose sum is σ = 175371211753878. Its totient is φ = 50106060501104.

The previous prime is 100212121002131. The next prime is 100212121002263. The reversal of 100212121002212 is 212200121212001.

It can be written as a sum of positive squares in only one way, i.e., 87430466381476 + 12781654620736 = 9350426^2 + 3575144^2 .

It is a super-3 number, since 3×100212121002212³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12526515125273 + ... + 12526515125280.

It is an arithmetic number, because the mean of its divisors is an integer number (29228535292313).

Almost surely, 2^{100212121002212} is an apocalyptic number.

It is an amenable number.

100212121002212 is a deficient number, since it is larger than the sum of its proper divisors (75159090751666).

100212121002212 is a wasteful number, since it uses less digits than its factorization.

100212121002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25053030250557 (or 25053030250555 counting only the distinct ones).

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

Adding to 100212121002212 its reverse (212200121212001), we get a palindrome (312412242214213).

The spelling of 100212121002212 in words is "one hundred trillion, two hundred twelve billion, one hundred twenty-one million, two thousand, two hundred twelve".