10543512210 has 128 divisors (see below), whose sum is σ = 31861444608. Its totient is φ = 2169120000.

The previous prime is 10543512197. The next prime is 10543512227. The reversal of 10543512210 is 1221534501.

10543512210 = T₁₄₅₄₅ + T₁₄₅₄₆ + ... + T₁₄₆₄₃.

It is a happy number.

It is a super-2 number, since 2×10543512210² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 210715 + ... + 255905.

It is an arithmetic number, because the mean of its divisors is an integer number (248917536).

Almost surely, 2^10543512210 is an apocalyptic number.

10543512210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10543512210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15930722304).

10543512210 is an abundant number, since it is smaller than the sum of its proper divisors (21317932398).

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

10543512210 is a wasteful number, since it uses less digits than its factorization.

10543512210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45320.

The product of its (nonzero) digits is 1200, while the sum is 24.

It can be divided in two parts, 10543 and 512210, that added together give a triangular number (522753 = T₁₀₂₂).

The spelling of 10543512210 in words is "ten billion, five hundred forty-three million, five hundred twelve thousand, two hundred ten".