16212345400 has 48 divisors (see below), whose sum is σ = 37708858800. Its totient is φ = 6482330880.

The previous prime is 16212345349. The next prime is 16212345407. The reversal of 16212345400 is 454321261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16212345407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 527661 + ... + 557539.

It is an arithmetic number, because the mean of its divisors is an integer number (785601225).

Almost surely, 2^16212345400 is an apocalyptic number.

16212345400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16212345400 is an abundant number, since it is smaller than the sum of its proper divisors (21496513400).

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

16212345400 is a wasteful number, since it uses less digits than its factorization.

16212345400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32608 (or 32599 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 16212345400 its reverse (454321261), we get a palindrome (16666666661).

The spelling of 16212345400 in words is "sixteen billion, two hundred twelve million, three hundred forty-five thousand, four hundred".