212020023011 has 8 divisors (see below), whose sum is σ = 219155558400. Its totient is φ = 204902998920.

The previous prime is 212020022983. The next prime is 212020023097. The reversal of 212020023011 is 110320020212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212020023011 is a prime.

It is a super-2 number, since 2×212020023011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212022023011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4604531 + ... + 4650348.

It is an arithmetic number, because the mean of its divisors is an integer number (27394444800).

Almost surely, 2^212020023011 is an apocalyptic number.

212020023011 is a deficient number, since it is larger than the sum of its proper divisors (7135535389).

212020023011 is an equidigital number, since it uses as much as digits as its factorization.

212020023011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9255649.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 212020023011 its reverse (110320020212), we get a palindrome (322340043223).

The spelling of 212020023011 in words is "two hundred twelve billion, twenty million, twenty-three thousand, eleven".