10212020212122 has 24 divisors (see below), whose sum is σ = 22126145947776. Its totient is φ = 3403991021256.

The previous prime is 10212020212109. The next prime is 10212020212129. The reversal of 10212020212122 is 22121202021201.

It is a happy number.

10212020212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10212020212095 and 10212020212104.

It is not an unprimeable number, because it can be changed into a prime (10212020212129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3098263 + ... + 5479349.

It is an arithmetic number, because the mean of its divisors is an integer number (921922747824).

Almost surely, 2^{10212020212122} is an apocalyptic number.

10212020212122 is an abundant number, since it is smaller than the sum of its proper divisors (11914125735654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10212020212122 is a wasteful number, since it uses less digits than its factorization.

10212020212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619362 (or 2619359 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10212020212122 its reverse (22121202021201), we get a palindrome (32333222233323).

The spelling of 10212020212122 in words is "ten trillion, two hundred twelve billion, twenty million, two hundred twelve thousand, one hundred twenty-two".