220120012012001 has 4 divisors (see below), whose sum is σ = 220311254421504. Its totient is φ = 219928769602500.

The previous prime is 220120012011989. The next prime is 220120012012027. The reversal of 220120012012001 is 100210210021022.

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-220120012012001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220120012012051) 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, 95621203025 + ... + 95621205326.

It is an arithmetic number, because the mean of its divisors is an integer number (55077813605376).

Almost surely, 2^{220120012012001} is an apocalyptic number.

It is an amenable number.

220120012012001 is a deficient number, since it is larger than the sum of its proper divisors (191242409503).

220120012012001 is a wasteful number, since it uses less digits than its factorization.

220120012012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191242409502.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220120012012001 its reverse (100210210021022), we get a palindrome (320330222033023).

The spelling of 220120012012001 in words is "two hundred twenty trillion, one hundred twenty billion, twelve million, twelve thousand, one".