10221201000012 has 48 divisors (see below), whose sum is σ = 24495281371232. Its totient is φ = 3314817354240.

The previous prime is 10221201000007. The next prime is 10221201000029. The reversal of 10221201000012 is 21000010212201.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 8414562 + ... + 9552342.

Almost surely, 2^{10221201000012} is an apocalyptic number.

10221201000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10221201000012 is an abundant number, since it is smaller than the sum of its proper divisors (14274080371220).

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

10221201000012 is a wasteful number, since it uses less digits than its factorization.

10221201000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158058 (or 1158056 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10221201000012 its reverse (21000010212201), we get a palindrome (31221211212213).

The spelling of 10221201000012 in words is "ten trillion, two hundred twenty-one billion, two hundred one million, twelve", and thus it is an aban number.