1212101304 has 32 divisors (see below), whose sum is σ = 3035281920. Its totient is φ = 403363296.

The previous prime is 1212101291. The next prime is 1212101321. The reversal of 1212101304 is 4031012121.

It is a congruent number.

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, 27034 + ... + 56169.

It is an arithmetic number, because the mean of its divisors is an integer number (94852560).

Almost surely, 2^1212101304 is an apocalyptic number.

It is an amenable number.

1212101304 is an abundant number, since it is smaller than the sum of its proper divisors (1823180616).

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

1212101304 is a wasteful number, since it uses less digits than its factorization.

1212101304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83819 (or 83815 counting only the distinct ones).

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

The square root of 1212101304 is about 34815.2452813419. The cubic root of 1212101304 is about 1066.2187269343.

Adding to 1212101304 its reverse (4031012121), we get a palindrome (5243113425).

The spelling of 1212101304 in words is "one billion, two hundred twelve million, one hundred one thousand, three hundred four".