1012021202001 has 64 divisors (see below), whose sum is σ = 1397009442816. Its totient is φ = 651442176000.

The previous prime is 1012021201993. The next prime is 1012021202063. The reversal of 1012021202001 is 1002021202101.

It is not a de Polignac number, because 1012021202001 - 2³ = 1012021201993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012021203001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1021211616 + ... + 1021212606.

It is an arithmetic number, because the mean of its divisors is an integer number (21828272544).

Almost surely, 2^{1012021202001} is an apocalyptic number.

It is an amenable number.

1012021202001 is a deficient number, since it is larger than the sum of its proper divisors (384988240815).

1012021202001 is a wasteful number, since it uses less digits than its factorization.

1012021202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1012021202001 its reverse (1002021202101), we get a palindrome (2014042404102).

The spelling of 1012021202001 in words is "one trillion, twelve billion, twenty-one million, two hundred two thousand, one".