1212303311304 has 32 divisors (see below), whose sum is σ = 3031534237920. Its totient is φ = 403997642496.

The previous prime is 1212303311281. The next prime is 1212303311321. The reversal of 1212303311304 is 4031133032121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6370609 + ... + 6558144.

It is an arithmetic number, because the mean of its divisors is an integer number (94735444935).

Almost surely, 2^{1212303311304} is an apocalyptic number.

It is an amenable number.

1212303311304 is an abundant number, since it is smaller than the sum of its proper divisors (1819230926616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212303311304 is a wasteful number, since it uses less digits than its factorization.

1212303311304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12932669 (or 12932665 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1212303311304 its reverse (4031133032121), we get a palindrome (5243436343425).

The spelling of 1212303311304 in words is "one trillion, two hundred twelve billion, three hundred three million, three hundred eleven thousand, three hundred four".