1241213012 has 24 divisors (see below), whose sum is σ = 2340982056. Its totient is φ = 572433408.

The previous prime is 1241213011. The next prime is 1241213023. The reversal of 1241213012 is 2103121421.

It can be written as a sum of positive squares in 4 ways, for example, as 562923076 + 678289936 = 23726^2 + 26044^2 .

It is a super-2 number, since 2×1241213012² = 3081219482316224288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241213011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66188 + ... + 82844.

It is an arithmetic number, because the mean of its divisors is an integer number (97540919).

Almost surely, 2^1241213012 is an apocalyptic number.

It is an amenable number.

1241213012 is a deficient number, since it is larger than the sum of its proper divisors (1099769044).

1241213012 is a wasteful number, since it uses less digits than its factorization.

1241213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18107 (or 18105 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1241213012 is about 35230.8531262018. The cubic root of 1241213012 is about 1074.6872750346.

Adding to 1241213012 its reverse (2103121421), we get a palindrome (3344334433).

The spelling of 1241213012 in words is "one billion, two hundred forty-one million, two hundred thirteen thousand, twelve".