10001001212202 has 64 divisors (see below), whose sum is σ = 26855835439104. Its totient is φ = 2397842447040.

The previous prime is 10001001212161. The next prime is 10001001212227. The reversal of 10001001212202 is 20221210010001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 832578178 + ... + 832590189.

It is an arithmetic number, because the mean of its divisors is an integer number (419622428736).

Almost surely, 2^{10001001212202} is an apocalyptic number.

10001001212202 is an abundant number, since it is smaller than the sum of its proper divisors (16854834226902).

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

10001001212202 is a wasteful number, since it uses less digits than its factorization.

10001001212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665168403.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10001001212202 its reverse (20221210010001), we get a palindrome (30222211222203).

The spelling of 10001001212202 in words is "ten trillion, one billion, one million, two hundred twelve thousand, two hundred two".