212020202019 has 64 divisors (see below), whose sum is σ = 312667914240. Its totient is φ = 127552205088.

The previous prime is 212020202011. The next prime is 212020202077. The reversal of 212020202019 is 910202020212.

It is a happy number.

It is not a de Polignac number, because 212020202019 - 2³ = 212020202011 is a prime.

It is a super-2 number, since 2×212020202019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212020201986 and 212020202004.

It is not an unprimeable number, because it can be changed into a prime (212020202011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133934902 + ... + 133936484.

It is an arithmetic number, because the mean of its divisors is an integer number (4885436160).

Almost surely, 2^212020202019 is an apocalyptic number.

212020202019 is a deficient number, since it is larger than the sum of its proper divisors (100647712221).

212020202019 is a wasteful number, since it uses less digits than its factorization.

212020202019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

It can be divided in two parts, 2 and 12020202019, that added together give a palindrome (12020202021).

The spelling of 212020202019 in words is "two hundred twelve billion, twenty million, two hundred two thousand, nineteen".