100212001012 has 6 divisors (see below), whose sum is σ = 175371001778. Its totient is φ = 50106000504.

The previous prime is 100212001009. The next prime is 100212001031. The reversal of 100212001012 is 210100212001.

It can be written as a sum of positive squares in only one way, i.e., 83344225636 + 16867775376 = 288694^2 + 129876^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100212001012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12526500123 + ... + 12526500130.

Almost surely, 2^100212001012 is an apocalyptic number.

It is an amenable number.

100212001012 is a deficient number, since it is larger than the sum of its proper divisors (75159000766).

100212001012 is a wasteful number, since it uses less digits than its factorization.

100212001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25053000257 (or 25053000255 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100212001012 its reverse (210100212001), we get a palindrome (310312213013).

The spelling of 100212001012 in words is "one hundred billion, two hundred twelve million, one thousand, twelve".