1001201201002 has 16 divisors (see below), whose sum is σ = 1517361136200. Its totient is φ = 495414678528.

The previous prime is 1001201200997. The next prime is 1001201201017. The reversal of 1001201201002 is 2001021021001.

It can be written as a sum of positive squares in 4 ways, for example, as 945174784401 + 56026416601 = 972201^2 + 236699^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1001201201002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4054374 + ... + 4294222.

Almost surely, 2^{1001201201002} is an apocalyptic number.

1001201201002 is a deficient number, since it is larger than the sum of its proper divisors (516159935198).

1001201201002 is a wasteful number, since it uses less digits than its factorization.

1001201201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261465.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1001201201002 its reverse (2001021021001), we get a palindrome (3002222222003).

The spelling of 1001201201002 in words is "one trillion, one billion, two hundred one million, two hundred one thousand, two".