10212121233020 has 48 divisors (see below), whose sum is σ = 24819332643840. Its totient is φ = 3456978467904.

The previous prime is 10212121232969. The next prime is 10212121233049. The reversal of 10212121233020 is 2033212121201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10212121232983 and 10212121233001.

It is a congruent number.

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, 461658074 + ... + 461680193.

It is an arithmetic number, because the mean of its divisors is an integer number (517069430080).

Almost surely, 2^{10212121233020} is an apocalyptic number.

10212121233020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212121233020 is an abundant number, since it is smaller than the sum of its proper divisors (14607211410820).

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

10212121233020 is a wasteful number, since it uses less digits than its factorization.

10212121233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923338362 (or 923338360 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10212121233020 its reverse (2033212121201), we get a palindrome (12245333354221).

The spelling of 10212121233020 in words is "ten trillion, two hundred twelve billion, one hundred twenty-one million, two hundred thirty-three thousand, twenty".