20221001210212 has 48 divisors (see below), whose sum is σ = 38710020972672. Its totient is φ = 9166089185280.

The previous prime is 20221001210183. The next prime is 20221001210227. The reversal of 20221001210212 is 21201210012202.

It is a happy number.

It is a super-3 number, since 3×20221001210212³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24551278 + ... + 25361530.

It is an arithmetic number, because the mean of its divisors is an integer number (806458770264).

Almost surely, 2^{20221001210212} is an apocalyptic number.

20221001210212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20221001210212 is a deficient number, since it is larger than the sum of its proper divisors (18489019762460).

20221001210212 is a wasteful number, since it uses less digits than its factorization.

20221001210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811828 (or 811826 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20221001210212 its reverse (21201210012202), we get a palindrome (41422211222414).

The spelling of 20221001210212 in words is "twenty trillion, two hundred twenty-one billion, one million, two hundred ten thousand, two hundred twelve".