101213126646 has 16 divisors (see below), whose sum is σ = 202447857600. Its totient is φ = 33734108168.

The previous prime is 101213126617. The next prime is 101213126647. The reversal of 101213126646 is 646621312101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101213126647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838956 + ... + 951983.

It is an arithmetic number, because the mean of its divisors is an integer number (12652991100).

Almost surely, 2^101213126646 is an apocalyptic number.

101213126646 is an abundant number, since it is smaller than the sum of its proper divisors (101234730954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101213126646 is a wasteful number, since it uses less digits than its factorization.

101213126646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800363.

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 101213126646 its reverse (646621312101), we get a palindrome (747834438747).

The spelling of 101213126646 in words is "one hundred one billion, two hundred thirteen million, one hundred twenty-six thousand, six hundred forty-six".