1001201262252 has 48 divisors (see below), whose sum is σ = 2386553175552. Its totient is φ = 326535577920.

The previous prime is 1001201262233. The next prime is 1001201262277. The reversal of 1001201262252 is 2522621021001.

It is a super-2 number, since 2×1001201262252² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1639227 + ... + 2165517.

It is an arithmetic number, because the mean of its divisors is an integer number (49719857824).

Almost surely, 2^{1001201262252} is an apocalyptic number.

1001201262252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001201262252 is an abundant number, since it is smaller than the sum of its proper divisors (1385351913300).

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

1001201262252 is a wasteful number, since it uses less digits than its factorization.

1001201262252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529718 (or 529716 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 1001201262252 its reverse (2522621021001), we get a palindrome (3523822283253).

The spelling of 1001201262252 in words is "one trillion, one billion, two hundred one million, two hundred sixty-two thousand, two hundred fifty-two".