10221212010012 has 96 divisors (see below), whose sum is σ = 25204366387200. Its totient is φ = 3218824707840.

The previous prime is 10221212010007. The next prime is 10221212010013. The reversal of 10221212010012 is 21001021212201.

10221212010012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10221212010012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221212009973 and 10221212010000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221212010013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31012278 + ... + 31340130.

It is an arithmetic number, because the mean of its divisors is an integer number (262545483200).

Almost surely, 2^{10221212010012} is an apocalyptic number.

10221212010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10221212010012 is an abundant number, since it is smaller than the sum of its proper divisors (14983154377188).

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

10221212010012 is a wasteful number, since it uses less digits than its factorization.

10221212010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329883 (or 329881 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10221212010012 its reverse (21001021212201), we get a palindrome (31222233222213).

The spelling of 10221212010012 in words is "ten trillion, two hundred twenty-one billion, two hundred twelve million, ten thousand, twelve".