1212012012032 has 40 divisors (see below), whose sum is σ = 2426133627852. Its totient is φ = 604885708800.

The previous prime is 1212012012011. The next prime is 1212012012047. The reversal of 1212012012032 is 2302102102121.

It can be written as a sum of positive squares in 2 ways, for example, as 1079969894656 + 132042117376 = 1039216^2 + 363376^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1212012012032.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910819 + ... + 2464802.

Almost surely, 2^{1212012012032} is an apocalyptic number.

It is an amenable number.

1212012012032 is an abundant number, since it is smaller than the sum of its proper divisors (1214121615820).

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

1212012012032 is an frugal number, since it uses more digits than its factorization.

1212012012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376180 (or 4376164 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1212012012032 its reverse (2302102102121), we get a palindrome (3514114114153).

The spelling of 1212012012032 in words is "one trillion, two hundred twelve billion, twelve million, twelve thousand, thirty-two".