210001152452 has 48 divisors (see below), whose sum is σ = 453287450112. Its totient is φ = 82897879680.

The previous prime is 210001152419. The next prime is 210001152497. The reversal of 210001152452 is 254251100012.

It is a super-2 number, since 2×210001152452² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454499 + ... + 791562.

It is an arithmetic number, because the mean of its divisors is an integer number (9443488544).

Almost surely, 2^210001152452 is an apocalyptic number.

It is an amenable number.

210001152452 is an abundant number, since it is smaller than the sum of its proper divisors (243286297660).

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

210001152452 is a wasteful number, since it uses less digits than its factorization.

210001152452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246548 (or 1246546 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 210001152452 its reverse (254251100012), we get a palindrome (464252252464).

The spelling of 210001152452 in words is "two hundred ten billion, one million, one hundred fifty-two thousand, four hundred fifty-two".