10020021013212 has 384 divisors, whose sum is σ = 27768545280000. Its totient is φ = 2753588597760.

The previous prime is 10020021013087. The next prime is 10020021013241. The reversal of 10020021013212 is 21231012002001.

It is a super-2 number, since 2×10020021013212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10020021013191 and 10020021013200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23800524762 + ... + 23800525182.

It is an arithmetic number, because the mean of its divisors is an integer number (72313920000).

Almost surely, 2^{10020021013212} is an apocalyptic number.

10020021013212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10020021013212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13884272640000).

10020021013212 is an abundant number, since it is smaller than the sum of its proper divisors (17748524266788).

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

10020021013212 is a wasteful number, since it uses less digits than its factorization.

10020021013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10020021013212 its reverse (21231012002001), we get a palindrome (31251033015213).

The spelling of 10020021013212 in words is "ten trillion, twenty billion, twenty-one million, thirteen thousand, two hundred twelve".