100212502653 has 6 divisors (see below), whose sum is σ = 144751392734. Its totient is φ = 66808335096.

The previous prime is 100212502651. The next prime is 100212502711. The reversal of 100212502653 is 356205212001.

It is a happy number.

100212502653 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 1 + 2 + 5 + 0 + 2 + 653 = 666.

It can be written as a sum of positive squares in only one way, i.e., 81771405849 + 18441096804 = 285957^2 + 135798^2 .

It is not a de Polignac number, because 100212502653 - 2¹ = 100212502651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212502651) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 5567361250 + ... + 5567361267.

Almost surely, 2^100212502653 is an apocalyptic number.

It is an amenable number.

100212502653 is a deficient number, since it is larger than the sum of its proper divisors (44538890081).

100212502653 is a wasteful number, since it uses less digits than its factorization.

100212502653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11134722523 (or 11134722520 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 100212502653 its reverse (356205212001), we get a palindrome (456417714654).

The spelling of 100212502653 in words is "one hundred billion, two hundred twelve million, five hundred two thousand, six hundred fifty-three".