10221145412412 has 48 divisors (see below), whose sum is σ = 26017956099072. Its totient is φ = 3097257857280.

The previous prime is 10221145412363. The next prime is 10221145412437. The reversal of 10221145412412 is 21421454112201.

It is a happy number.

It is a super-3 number, since 3×10221145412412³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10221145412412.

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, 6494773 + ... + 7913555.

It is an arithmetic number, because the mean of its divisors is an integer number (542040752064).

Almost surely, 2^{10221145412412} is an apocalyptic number.

10221145412412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10221145412412 is an abundant number, since it is smaller than the sum of its proper divisors (15796810686660).

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

10221145412412 is a wasteful number, since it uses less digits than its factorization.

10221145412412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473378 (or 1473376 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

Adding to 10221145412412 its reverse (21421454112201), we get a palindrome (31642599524613).

The spelling of 10221145412412 in words is "ten trillion, two hundred twenty-one billion, one hundred forty-five million, four hundred twelve thousand, four hundred twelve".