1212945014 has 4 divisors (see below), whose sum is σ = 1819417524. Its totient is φ = 606472506.

The previous prime is 1212945011. The next prime is 1212945049. The reversal of 1212945014 is 4105492121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4105492121 = 619 ⋅6632459.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212945011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303236252 + ... + 303236255.

It is an arithmetic number, because the mean of its divisors is an integer number (454854381).

Almost surely, 2^1212945014 is an apocalyptic number.

1212945014 is a deficient number, since it is larger than the sum of its proper divisors (606472510).

1212945014 is an equidigital number, since it uses as much as digits as its factorization.

1212945014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606472509.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1212945014 is about 34827.3601353878. The cubic root of 1212945014 is about 1066.4660579552.

The spelling of 1212945014 in words is "one billion, two hundred twelve million, nine hundred forty-five thousand, fourteen".