73830001021201 has 4 divisors (see below), whose sum is σ = 73851889551412. Its totient is φ = 73808112490992.

The previous prime is 73830001021193. The next prime is 73830001021211. The reversal of 73830001021201 is 10212010003837.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48406472290576 + 25423528730625 = 6957476^2 + 5042175^2 .

It is a cyclic number.

It is not a de Polignac number, because 73830001021201 - 2³ = 73830001021193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73830001021201.

It is not an unprimeable number, because it can be changed into a prime (73830001021211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10944260046 + ... + 10944266791.

It is an arithmetic number, because the mean of its divisors is an integer number (18462972387853).

Almost surely, 2^{73830001021201} is an apocalyptic number.

It is an amenable number.

73830001021201 is a deficient number, since it is larger than the sum of its proper divisors (21888530211).

73830001021201 is a wasteful number, since it uses less digits than its factorization.

73830001021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21888530210.

The product of its (nonzero) digits is 2016, while the sum is 28.

It can be divided in two parts, 7383000 and 1021201, that added together give a square (8404201 = 2899²).

The spelling of 73830001021201 in words is "seventy-three trillion, eight hundred thirty billion, one million, twenty-one thousand, two hundred one".