202012212001 has 4 divisors (see below), whose sum is σ = 202024323072. Its totient is φ = 202000100932.

The previous prime is 202012211993. The next prime is 202012212047. The reversal of 202012212001 is 100212210202.

It is a happy number.

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 not a de Polignac number, because 202012212001 - 2³ = 202012211993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202012212071) 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, 6030481 + ... + 6063886.

It is an arithmetic number, because the mean of its divisors is an integer number (50506080768).

Almost surely, 2^202012212001 is an apocalyptic number.

It is an amenable number.

202012212001 is a deficient number, since it is larger than the sum of its proper divisors (12111071).

202012212001 is a wasteful number, since it uses less digits than its factorization.

202012212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12111070.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202012212001 its reverse (100212210202), we get a palindrome (302224422203).

The spelling of 202012212001 in words is "two hundred two billion, twelve million, two hundred twelve thousand, one".