1212476641 has 16 divisors (see below), whose sum is σ = 1255544640. Its totient is φ = 1170132480.

The previous prime is 1212476627. The next prime is 1212476647. The reversal of 1212476641 is 1466742121.

It is a cyclic number.

It is not a de Polignac number, because 1212476641 - 2⁷ = 1212476513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212476597 and 1212476606.

It is not an unprimeable number, because it can be changed into a prime (1212476647) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2799961 + ... + 2800393.

It is an arithmetic number, because the mean of its divisors is an integer number (78471540).

Almost surely, 2^1212476641 is an apocalyptic number.

It is an amenable number.

1212476641 is a deficient number, since it is larger than the sum of its proper divisors (43067999).

1212476641 is a wasteful number, since it uses less digits than its factorization.

1212476641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056.

The product of its digits is 16128, while the sum is 34.

The square root of 1212476641 is about 34820.6352756523. The cubic root of 1212476641 is about 1066.3287700021.

The spelling of 1212476641 in words is "one billion, two hundred twelve million, four hundred seventy-six thousand, six hundred forty-one".