1212100363852 has 24 divisors (see below), whose sum is σ = 2433212641440. Its totient is φ = 517540460160.

The previous prime is 1212100363843. The next prime is 1212100363861. The reversal of 1212100363852 is 2583630012121.

It is an interprime number because it is at equal distance from previous prime (1212100363843) and next prime (1212100363861).

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, 80455849 + ... + 80470912.

It is an arithmetic number, because the mean of its divisors is an integer number (101383860060).

Almost surely, 2^{1212100363852} is an apocalyptic number.

It is an amenable number.

1212100363852 is an abundant number, since it is smaller than the sum of its proper divisors (1221112277588).

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

1212100363852 is a wasteful number, since it uses less digits than its factorization.

1212100363852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160927041 (or 160927039 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 1212100363852 its reverse (2583630012121), we get a palindrome (3795730375973).

The spelling of 1212100363852 in words is "one trillion, two hundred twelve billion, one hundred million, three hundred sixty-three thousand, eight hundred fifty-two".