1212645046 has 8 divisors (see below), whose sum is σ = 1819281744. Its totient is φ = 606217800.

The previous prime is 1212645043. The next prime is 1212645061. The reversal of 1212645046 is 6405462121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1212644999 and 1212645017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212645043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36985 + ... + 61588.

It is an arithmetic number, because the mean of its divisors is an integer number (227410218).

Almost surely, 2^1212645046 is an apocalyptic number.

1212645046 is a deficient number, since it is larger than the sum of its proper divisors (606636698).

1212645046 is an equidigital number, since it uses as much as digits as its factorization.

1212645046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104726.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1212645046 is about 34823.0533698583. The cubic root of 1212645046 is about 1066.3781363918.

The spelling of 1212645046 in words is "one billion, two hundred twelve million, six hundred forty-five thousand, forty-six".