1229370912900 has 243 divisors, whose sum is σ = 4174079162799. Its totient is φ = 302507936640.

The previous prime is 1229370912863. The next prime is 1229370912989. The reversal of 1229370912900 is 92190739221.

The square root of 1229370912900 is 1108770.

It is a perfect power (a square), and thus also a powerful number.

1229370912900 is a `hidden beast` number, since 1 + 2 + 293 + 70 + 9 + 1 + 290 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 316872171396 + 912498741504 = 562914^2 + 955248^2 .

It is a super-2 number, since 2×1229370912900² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 432418879 + ... + 432421721.

Almost surely, 2^{1229370912900} is an apocalyptic number.

1229370912900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1229370912900 is the 1108770-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1229370912900

1229370912900 is an abundant number, since it is smaller than the sum of its proper divisors (2944708249899).

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

1229370912900 is a wasteful number, since it uses less digits than its factorization.

1229370912900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5732 (or 2866 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 1229370912900 in words is "one trillion, two hundred twenty-nine billion, three hundred seventy million, nine hundred twelve thousand, nine hundred".