155343212012 has 12 divisors (see below), whose sum is σ = 275125930296. Its totient is φ = 76735803360.

The previous prime is 155343211987. The next prime is 155343212029. The reversal of 155343212012 is 210212343551.

155343212012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233950289 + ... + 233950952.

It is an arithmetic number, because the mean of its divisors is an integer number (22927160858).

Almost surely, 2^155343212012 is an apocalyptic number.

It is an amenable number.

155343212012 is a deficient number, since it is larger than the sum of its proper divisors (119782718284).

155343212012 is a wasteful number, since it uses less digits than its factorization.

155343212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467901328 (or 467901326 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 155343212012 its reverse (210212343551), we get a palindrome (365555555563).

The spelling of 155343212012 in words is "one hundred fifty-five billion, three hundred forty-three million, two hundred twelve thousand, twelve".