90212691356001 has 10 divisors (see below), whose sum is σ = 134762168568962. Its totient is φ = 60141794237280.

The previous prime is 90212691355999. The next prime is 90212691356033. The reversal of 90212691356001 is 10065319621209.

90212691356001 is a `hidden beast` number, since 9 + 0 + 2 + 1 + 2 + 6 + 9 + 1 + 35 + 600 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57972996000000 + 32239695356001 = 7614000^2 + 5678001^2 .

It is not a de Polignac number, because 90212691356001 - 2¹ = 90212691355999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90212691356101) 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 9 ways as a sum of consecutive naturals, for example, 556868465080 + ... + 556868465241.

Almost surely, 2^{90212691356001} is an apocalyptic number.

It is an amenable number.

90212691356001 is a deficient number, since it is larger than the sum of its proper divisors (44549477212961).

90212691356001 is a wasteful number, since it uses less digits than its factorization.

90212691356001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113736930333 (or 1113736930324 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 90212691356001 in words is "ninety trillion, two hundred twelve billion, six hundred ninety-one million, three hundred fifty-six thousand, one".