10121212112022 has 96 divisors (see below), whose sum is σ = 23954321458080. Its totient is φ = 3063003740160.

The previous prime is 10121212111999. The next prime is 10121212112057. The reversal of 10121212112022 is 22021121212101.

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 = 10121212111986 and 10121212112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 544346758 + ... + 544365350.

It is an arithmetic number, because the mean of its divisors is an integer number (249524181855).

Almost surely, 2^{10121212112022} is an apocalyptic number.

10121212112022 is an abundant number, since it is smaller than the sum of its proper divisors (13833109346058).

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

10121212112022 is a wasteful number, since it uses less digits than its factorization.

10121212112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22078 (or 22075 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10121212112022 its reverse (22021121212101), we get a palindrome (32142333324123).

The spelling of 10121212112022 in words is "ten trillion, one hundred twenty-one billion, two hundred twelve million, one hundred twelve thousand, twenty-two".