1001234321001 has 12 divisors (see below), whose sum is σ = 1447202575728. Its totient is φ = 667039444344.

The previous prime is 1001234320991. The next prime is 1001234321041.

1001234321001 is a `hidden beast` number, since 10 + 0 + 123 + 432 + 100 + 1 = 666.

1001234321001 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1001234321001 - 2¹³ = 1001234312809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001234321041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37494495 + ... + 37521188.

It is an arithmetic number, because the mean of its divisors is an integer number (120600214644).

Almost surely, 2^{1001234321001} is an apocalyptic number.

It is an amenable number.

1001234321001 is a deficient number, since it is larger than the sum of its proper divisors (445968254727).

1001234321001 is a wasteful number, since it uses less digits than its factorization.

1001234321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75017172 (or 75017169 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The spelling of 1001234321001 in words is "one trillion, one billion, two hundred thirty-four million, three hundred twenty-one thousand, one".