1323030121002 has 48 divisors (see below), whose sum is σ = 2895997732992. Its totient is φ = 436489496640.

The previous prime is 1323030120991. The next prime is 1323030121003. The reversal of 1323030121002 is 2001210303231.

It is a super-2 number, since 2×1323030121002² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1323030121003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1799727 + ... + 2425917.

It is an arithmetic number, because the mean of its divisors is an integer number (60333286104).

Almost surely, 2^{1323030121002} is an apocalyptic number.

1323030121002 is an abundant number, since it is smaller than the sum of its proper divisors (1572967611990).

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

1323030121002 is a wasteful number, since it uses less digits than its factorization.

1323030121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627403 (or 627400 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1323030121002 its reverse (2001210303231), we get a palindrome (3324240424233).

The spelling of 1323030121002 in words is "one trillion, three hundred twenty-three billion, thirty million, one hundred twenty-one thousand, two".