10221200312 has 8 divisors (see below), whose sum is σ = 19164750600. Its totient is φ = 5110600152.

The previous prime is 10221200293. The next prime is 10221200323. The reversal of 10221200312 is 21300212201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638825012 + ... + 638825027.

It is an arithmetic number, because the mean of its divisors is an integer number (2395593825).

Almost surely, 2^10221200312 is an apocalyptic number.

It is an amenable number.

10221200312 is a deficient number, since it is larger than the sum of its proper divisors (8943550288).

10221200312 is a wasteful number, since it uses less digits than its factorization.

10221200312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277650045 (or 1277650041 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10221200312 its reverse (21300212201), we get a palindrome (31521412513).

The spelling of 10221200312 in words is "ten billion, two hundred twenty-one million, two hundred thousand, three hundred twelve".