1323002020212 has 36 divisors (see below), whose sum is σ = 3347926161216. Its totient is φ = 440516578320.

The previous prime is 1323002020211. The next prime is 1323002020243. The reversal of 1323002020212 is 2120202003231.

1323002020212 is a `hidden beast` number, since 132 + 300 + 2 + 0 + 20 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323002020211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20137378 + ... + 20202969.

Almost surely, 2^{1323002020212} is an apocalyptic number.

1323002020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323002020212 is an abundant number, since it is smaller than the sum of its proper divisors (2024924141004).

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

1323002020212 is a wasteful number, since it uses less digits than its factorization.

1323002020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40341268 (or 40341263 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1323002020212 its reverse (2120202003231), we get a palindrome (3443204023443).

It can be divided in two parts, 132300 and 2020212, that added together give a palindrome (2152512).

The spelling of 1323002020212 in words is "one trillion, three hundred twenty-three billion, two million, twenty thousand, two hundred twelve".