99210001101012 has 18 divisors (see below), whose sum is σ = 250780836116538. Its totient is φ = 33070000366992.

The previous prime is 99210001100941. The next prime is 99210001101037. The reversal of 99210001101012 is 21010110001299.

It can be written as a sum of positive squares in only one way, i.e., 86533082963856 + 12676918137156 = 9302316^2 + 3560466^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1377916681923 + ... + 1377916681994.

It is an arithmetic number, because the mean of its divisors is an integer number (13932268673141).

Almost surely, 2^{99210001101012} is an apocalyptic number.

It is an amenable number.

99210001101012 is an abundant number, since it is smaller than the sum of its proper divisors (151570835015526).

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

99210001101012 is a wasteful number, since it uses less digits than its factorization.

99210001101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755833363927 (or 2755833363922 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 99210001101012 in words is "ninety-nine trillion, two hundred ten billion, one million, one hundred one thousand, twelve".