100212102121276 has 24 divisors (see below), whose sum is σ = 177783132003120. Its totient is φ = 49421011339392.

The previous prime is 100212102121253. The next prime is 100212102121277. The reversal of 100212102121276 is 672121201212001.

It is a super-3 number, since 3×100212102121276³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212102121277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511125625 + ... + 511321648.

It is an arithmetic number, because the mean of its divisors is an integer number (7407630500130).

Almost surely, 2^{100212102121276} is an apocalyptic number.

It is an amenable number.

100212102121276 is a deficient number, since it is larger than the sum of its proper divisors (77571029881844).

100212102121276 is a wasteful number, since it uses less digits than its factorization.

100212102121276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022447613 (or 1022447611 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 100212102121276 its reverse (672121201212001), we get a palindrome (772333303333277).

The spelling of 100212102121276 in words is "one hundred trillion, two hundred twelve billion, one hundred two million, one hundred twenty-one thousand, two hundred seventy-six".