212020220001 has 16 divisors (see below), whose sum is σ = 292488292800. Its totient is φ = 136451034048.

The previous prime is 212020219969. The next prime is 212020220081. The reversal of 212020220001 is 100022020212.

It is not a de Polignac number, because 212020220001 - 2⁵ = 212020219969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212020220081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363955 + ... + 745991.

It is an arithmetic number, because the mean of its divisors is an integer number (18280518300).

Almost surely, 2^212020220001 is an apocalyptic number.

It is an amenable number.

212020220001 is a deficient number, since it is larger than the sum of its proper divisors (80468072799).

212020220001 is a wasteful number, since it uses less digits than its factorization.

212020220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388448.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212020220001 its reverse (100022020212), we get a palindrome (312042240213).

The spelling of 212020220001 in words is "two hundred twelve billion, twenty million, two hundred twenty thousand, one".