1212232052 has 6 divisors (see below), whose sum is σ = 2121406098. Its totient is φ = 606116024.

The previous prime is 1212232027. The next prime is 1212232057. The reversal of 1212232052 is 2502322121.

It can be written as a sum of positive squares in only one way, i.e., 1188456676 + 23775376 = 34474^2 + 4876^2 .

It is a super-2 number, since 2×1212232052² = 2939013095792261408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212232057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151529003 + ... + 151529010.

It is an arithmetic number, because the mean of its divisors is an integer number (353567683).

Almost surely, 2^1212232052 is an apocalyptic number.

It is an amenable number.

1212232052 is a deficient number, since it is larger than the sum of its proper divisors (909174046).

1212232052 is a wasteful number, since it uses less digits than its factorization.

1212232052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303058017 (or 303058015 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1212232052 is about 34817.1229713197. The cubic root of 1212232052 is about 1066.2570628263.

Adding to 1212232052 its reverse (2502322121), we get a palindrome (3714554173).

The spelling of 1212232052 in words is "one billion, two hundred twelve million, two hundred thirty-two thousand, fifty-two".