2002129312002 has 16 divisors (see below), whose sum is σ = 4004699197152. Its totient is φ = 667303008480.

The previous prime is 2002129311961. The next prime is 2002129312009. The reversal of 2002129312002 is 2002139212002.

It is a super-2 number, since 2×2002129312002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2002129312009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18298123 + ... + 18407214.

It is an arithmetic number, because the mean of its divisors is an integer number (250293699822).

Almost surely, 2^{2002129312002} is an apocalyptic number.

2002129312002 is an abundant number, since it is smaller than the sum of its proper divisors (2002569885150).

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

2002129312002 is a wasteful number, since it uses less digits than its factorization.

2002129312002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36714433.

The product of its (nonzero) digits is 864, while the sum is 24.

The spelling of 2002129312002 in words is "two trillion, two billion, one hundred twenty-nine million, three hundred twelve thousand, two".