1232211002500 has 75 divisors (see below), whose sum is σ = 2712805770367. Its totient is φ = 489576452000.

The previous prime is 1232211002497. The next prime is 1232211002507. The reversal of 1232211002500 is 52001122321.

The square root of 1232211002500 is 1110050.

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

It can be written as a sum of positive squares in 12 ways, for example, as 200215082116 + 1031995920384 = 447454^2 + 1015872^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=4, B=745.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232211002507) by changing a digit.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 8269872426 + ... + 8269872574.

Almost surely, 2^{1232211002500} is an apocalyptic number.

1232211002500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232211002500 is the 1110050-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232211002500

1232211002500 is an abundant number, since it is smaller than the sum of its proper divisors (1480594767867).

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

1232211002500 is an frugal number, since it uses more digits than its factorization.

1232211002500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 1232211002500 its reverse (52001122321), we get a palindrome (1284212124821).

It can be divided in two parts, 123221 and 1002500, that added together give a square (1125721 = 1061²).

The spelling of 1232211002500 in words is "one trillion, two hundred thirty-two billion, two hundred eleven million, two thousand, five hundred".