212430451300 has 36 divisors (see below), whose sum is σ = 488090205540. Its totient is φ = 79973816320.

The previous prime is 212430451297. The next prime is 212430451301. The reversal of 212430451300 is 3154034212.

It can be written as a sum of positive squares in 6 ways, for example, as 10448519524 + 201981931776 = 102218^2 + 449424^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (212430451301) 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, 62477845 + ... + 62481244.

It is an arithmetic number, because the mean of its divisors is an integer number (13558061265).

Almost surely, 2^212430451300 is an apocalyptic number.

212430451300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212430451300 is an abundant number, since it is smaller than the sum of its proper divisors (275659754240).

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

212430451300 is a wasteful number, since it uses less digits than its factorization.

212430451300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124959120 (or 124959113 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 212430451300 its reverse (3154034212), we get a palindrome (215584485512).

The spelling of 212430451300 in words is "two hundred twelve billion, four hundred thirty million, four hundred fifty-one thousand, three hundred".