1200020031001 has 8 divisors (see below), whose sum is σ = 1354254580800. Its totient is φ = 1053309117840.

The previous prime is 1200020030879. The next prime is 1200020031053. The reversal of 1200020031001 is 1001300200021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200020031001 - 2¹¹ = 1200020028953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200020031071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1880908821 + ... + 1880909458.

It is an arithmetic number, because the mean of its divisors is an integer number (169281822600).

Almost surely, 2^{1200020031001} is an apocalyptic number.

1200020031001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1200020031001 is a deficient number, since it is larger than the sum of its proper divisors (154234549799).

1200020031001 is a wasteful number, since it uses less digits than its factorization.

1200020031001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761818319.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1200020031001 its reverse (1001300200021), we get a palindrome (2201320231022).

The spelling of 1200020031001 in words is "one trillion, two hundred billion, twenty million, thirty-one thousand, one".