20120002121312 has 12 divisors (see below), whose sum is σ = 39611254176396. Its totient is φ = 10060001060640.

The previous prime is 20120002121287. The next prime is 20120002121339. The reversal of 20120002121312 is 21312120002102.

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, 314375033114 + ... + 314375033177.

It is an arithmetic number, because the mean of its divisors is an integer number (3300937848033).

Almost surely, 2^{20120002121312} is an apocalyptic number.

It is an amenable number.

20120002121312 is a deficient number, since it is larger than the sum of its proper divisors (19491252055084).

20120002121312 is an equidigital number, since it uses as much as digits as its factorization.

20120002121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628750066301 (or 628750066293 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20120002121312 its reverse (21312120002102), we get a palindrome (41432122123414).

The spelling of 20120002121312 in words is "twenty trillion, one hundred twenty billion, two million, one hundred twenty-one thousand, three hundred twelve".