12022020101 has 48 divisors (see below), whose sum is σ = 15997186800. Its totient is φ = 8923944960.

The previous prime is 12022020097. The next prime is 12022020103. The reversal of 12022020101 is 10102022021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 386083201 + 11635936900 = 19649^2 + 107870^2 .

It is not a de Polignac number, because 12022020101 - 2² = 12022020097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022020103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3777731 + ... + 3780911.

It is an arithmetic number, because the mean of its divisors is an integer number (333274725).

Almost surely, 2^12022020101 is an apocalyptic number.

It is an amenable number.

12022020101 is a deficient number, since it is larger than the sum of its proper divisors (3975166699).

12022020101 is a wasteful number, since it uses less digits than its factorization.

12022020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574 (or 3567 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12022020101 its reverse (10102022021), we get a palindrome (22124042122).

The spelling of 12022020101 in words is "twelve billion, twenty-two million, twenty thousand, one hundred one".