1212301212 has 24 divisors (see below), whose sum is σ = 2995097616. Its totient is φ = 380329728.

The previous prime is 1212301199. The next prime is 1212301217. The reversal of 1212301212 is 2121032121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1212301191 and 1212301200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212301217) 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, 2971123 + ... + 2971530.

It is an arithmetic number, because the mean of its divisors is an integer number (124795734).

Almost surely, 2^1212301212 is an apocalyptic number.

1212301212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212301212 is an abundant number, since it is smaller than the sum of its proper divisors (1782796404).

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

1212301212 is a wasteful number, since it uses less digits than its factorization.

1212301212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5942677 (or 5942675 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1212301212 is about 34818.1161466269. The cubic root of 1212301212 is about 1066.2773397295.

Adding to 1212301212 its reverse (2121032121), we get a palindrome (3333333333).

The spelling of 1212301212 in words is "one billion, two hundred twelve million, three hundred one thousand, two hundred twelve".