13212203023020 has 192 divisors, whose sum is σ = 38133046014336. Its totient is φ = 3415881031680.

The previous prime is 13212203023007. The next prime is 13212203023069. The reversal of 13212203023020 is 2032030221231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1139271862 + ... + 1139283458.

It is an arithmetic number, because the mean of its divisors is an integer number (198609614658).

Almost surely, 2^{13212203023020} is an apocalyptic number.

13212203023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13212203023020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19066523007168).

13212203023020 is an abundant number, since it is smaller than the sum of its proper divisors (24920842991316).

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

13212203023020 is a wasteful number, since it uses less digits than its factorization.

13212203023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14500 (or 14498 counting only the distinct ones).

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

Adding to 13212203023020 its reverse (2032030221231), we get a palindrome (15244233244251).

The spelling of 13212203023020 in words is "thirteen trillion, two hundred twelve billion, two hundred three million, twenty-three thousand, twenty".