201220121212022 has 32 divisors (see below), whose sum is σ = 331194561149088. Its totient is φ = 90929217600000.

The previous prime is 201220121212021. The next prime is 201220121212057. The reversal of 201220121212022 is 220212121022102.

201220121212022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201220121211985 and 201220121212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220121212021) 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, 4332272 + ... + 20523372.

It is an arithmetic number, because the mean of its divisors is an integer number (10349830035909).

Almost surely, 2^{201220121212022} is an apocalyptic number.

201220121212022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201220121212022 is a deficient number, since it is larger than the sum of its proper divisors (129974439937066).

201220121212022 is a wasteful number, since it uses less digits than its factorization.

201220121212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16194416.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201220121212022 its reverse (220212121022102), we get a palindrome (421432242234124).

The spelling of 201220121212022 in words is "two hundred one trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twelve thousand, twenty-two".