1202010100002 has 24 divisors (see below), whose sum is σ = 2694160570140. Its totient is φ = 386853825120.

The previous prime is 1202010100001. The next prime is 1202010100003. The reversal of 1202010100002 is 2000010102021.

It is an interprime number because it is at equal distance from previous prime (1202010100001) and next prime (1202010100003).

It can be written as a sum of positive squares in 2 ways, for example, as 1046363280561 + 155646819441 = 1022919^2 + 394521^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1202010100001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1151350149 + ... + 1151351192.

Almost surely, 2^{1202010100002} is an apocalyptic number.

1202010100002 is an abundant number, since it is smaller than the sum of its proper divisors (1492150470138).

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

1202010100002 is a wasteful number, since it uses less digits than its factorization.

1202010100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302701378 (or 2302701375 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1202010100002 its reverse (2000010102021), we get a palindrome (3202020202023).

The spelling of 1202010100002 in words is "one trillion, two hundred two billion, ten million, one hundred thousand, two".