1212004304012 has 12 divisors (see below), whose sum is σ = 2137198430136. Its totient is φ = 601376181120.

The previous prime is 1212004304011. The next prime is 1212004304033. The reversal of 1212004304012 is 2104034002121.

It is a super-2 number, since 2×1212004304012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212004304011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156492133 + ... + 1156493180.

It is an arithmetic number, because the mean of its divisors is an integer number (178099869178).

Almost surely, 2^{1212004304012} is an apocalyptic number.

It is an amenable number.

1212004304012 is a deficient number, since it is larger than the sum of its proper divisors (925194126124).

1212004304012 is a wasteful number, since it uses less digits than its factorization.

1212004304012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312985448 (or 2312985446 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1212004304012 its reverse (2104034002121), we get a palindrome (3316038306133).

The spelling of 1212004304012 in words is "one trillion, two hundred twelve billion, four million, three hundred four thousand, twelve".