12020220202001 has 4 divisors (see below), whose sum is σ = 13112967493104. Its totient is φ = 10927472910900.

The previous prime is 12020220201989. The next prime is 12020220202063. The reversal of 12020220202001 is 10020202202021.

12020220202001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020220202001 is a prime.

It is a super-2 number, since 2×12020220202001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020220208001) 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, 546373645535 + ... + 546373645556.

It is an arithmetic number, because the mean of its divisors is an integer number (3278241873276).

Almost surely, 2^{12020220202001} is an apocalyptic number.

12020220202001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12020220202001 is a deficient number, since it is larger than the sum of its proper divisors (1092747291103).

12020220202001 is a wasteful number, since it uses less digits than its factorization.

12020220202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092747291102.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12020220202001 its reverse (10020202202021), we get a palindrome (22040422404022).

It can be divided in two parts, 12020220 and 202001, that added together give a palindrome (12222221).

The spelling of 12020220202001 in words is "twelve trillion, twenty billion, two hundred twenty million, two hundred two thousand, one".