2002132121320 has 16 divisors (see below), whose sum is σ = 4504797273060. Its totient is φ = 800852848512.

The previous prime is 2002132121299. The next prime is 2002132121351. The reversal of 2002132121320 is 231212312002.

It can be written as a sum of positive squares in 2 ways, for example, as 1998146219364 + 3985901956 = 1413558^2 + 63134^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25026651477 + ... + 25026651556.

Almost surely, 2^{2002132121320} is an apocalyptic number.

2002132121320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002132121320 is an abundant number, since it is smaller than the sum of its proper divisors (2502665151740).

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

2002132121320 is a wasteful number, since it uses less digits than its factorization.

2002132121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50053303044 (or 50053303040 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2002132121320 its reverse (231212312002), we get a palindrome (2233344433322).

The spelling of 2002132121320 in words is "two trillion, two billion, one hundred thirty-two million, one hundred twenty-one thousand, three hundred twenty".