20030223201312 has 48 divisors (see below), whose sum is σ = 52580007772992. Its totient is φ = 6676655750400.

The previous prime is 20030223201293. The next prime is 20030223201347. The reversal of 20030223201312 is 21310232203002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6454573 + ... + 9040019.

It is an arithmetic number, because the mean of its divisors is an integer number (1095416828604).

Almost surely, 2^{20030223201312} is an apocalyptic number.

It is an amenable number.

20030223201312 is an abundant number, since it is smaller than the sum of its proper divisors (32549784571680).

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

20030223201312 is a wasteful number, since it uses less digits than its factorization.

20030223201312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666161 (or 2666153 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20030223201312 its reverse (21310232203002), we get a palindrome (41340455404314).

The spelling of 20030223201312 in words is "twenty trillion, thirty billion, two hundred twenty-three million, two hundred one thousand, three hundred twelve".