1212033125 has 10 divisors (see below), whose sum is σ = 1514557374. Its totient is φ = 969626000.

The previous prime is 1212033113. The next prime is 1212033143. The reversal of 1212033125 is 5213302121.

It can be written as a sum of positive squares in 5 ways, for example, as 757405441 + 454627684 = 27521^2 + 21322^2 .

It is not a de Polignac number, because 1212033125 - 2⁸ = 1212032869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212033097 and 1212033106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 969002 + ... + 970251.

Almost surely, 2^1212033125 is an apocalyptic number.

It is an amenable number.

1212033125 is a deficient number, since it is larger than the sum of its proper divisors (302524249).

1212033125 is an frugal number, since it uses more digits than its factorization.

1212033125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939273 (or 1939258 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1212033125 is about 34814.2661131899. The cubic root of 1212033125 is about 1066.1987354563.

Adding to 1212033125 its reverse (5213302121), we get a palindrome (6425335246).

The spelling of 1212033125 in words is "one billion, two hundred twelve million, thirty-three thousand, one hundred twenty-five".