1303212012 has 12 divisors (see below), whose sum is σ = 3040828056. Its totient is φ = 434404000.

The previous prime is 1303212011. The next prime is 1303212013. The reversal of 1303212012 is 2102123031.

It is an interprime number because it is at equal distance from previous prime (1303212011) and next prime (1303212013).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1303211982 and 1303212000.

It is not an unprimeable number, because it can be changed into a prime (1303212011) 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, 54300489 + ... + 54300512.

It is an arithmetic number, because the mean of its divisors is an integer number (253402338).

Almost surely, 2^1303212012 is an apocalyptic number.

1303212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1303212012 is an abundant number, since it is smaller than the sum of its proper divisors (1737616044).

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

1303212012 is a wasteful number, since it uses less digits than its factorization.

1303212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108601008 (or 108601006 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1303212012 is about 36100.0278670253. The cubic root of 1303212012 is about 1092.2910071211.

Adding to 1303212012 its reverse (2102123031), we get a palindrome (3405335043).

The spelling of 1303212012 in words is "one billion, three hundred three million, two hundred twelve thousand, twelve".