1212453052 has 24 divisors (see below), whose sum is σ = 2167814880. Its totient is φ = 593218560.

The previous prime is 1212453001. The next prime is 1212453079. The reversal of 1212453052 is 2503542121.

It is a super-2 number, since 2×1212453052² = 2940084806608229408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 16977 + ... + 52087.

It is an arithmetic number, because the mean of its divisors is an integer number (90325620).

Almost surely, 2^1212453052 is an apocalyptic number.

It is an amenable number.

1212453052 is a deficient number, since it is larger than the sum of its proper divisors (955361828).

1212453052 is a wasteful number, since it uses less digits than its factorization.

1212453052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35301 (or 35299 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1212453052 is about 34820.2965524419. The cubic root of 1212453052 is about 1066.3218547369.

Adding to 1212453052 its reverse (2503542121), we get a palindrome (3715995173).

The spelling of 1212453052 in words is "one billion, two hundred twelve million, four hundred fifty-three thousand, fifty-two".