10212543434 has 32 divisors (see below), whose sum is σ = 16256116800. Its totient is φ = 4811691024.

The previous prime is 10212543427. The next prime is 10212543437. The reversal of 10212543434 is 43434521201.

It is a junction number, because it is equal to n+sod(n) for n = 10212543397 and 10212543406.

It is not an unprimeable number, because it can be changed into a prime (10212543437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2700557 + ... + 2704335.

It is an arithmetic number, because the mean of its divisors is an integer number (508003650).

Almost surely, 2^10212543434 is an apocalyptic number.

10212543434 is a deficient number, since it is larger than the sum of its proper divisors (6043573366).

10212543434 is an equidigital number, since it uses as much as digits as its factorization.

10212543434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035 (or 3997 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 10212543434 in words is "ten billion, two hundred twelve million, five hundred forty-three thousand, four hundred thirty-four".