155003414216212 has 12 divisors (see below), whose sum is σ = 271269725509440. Its totient is φ = 77497778356376.

The previous prime is 155003414216191. The next prime is 155003414216221. The reversal of 155003414216212 is 212612414300551.

It is a congruent number.

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, 982099162 + ... + 982256977.

It is an arithmetic number, because the mean of its divisors is an integer number (22605810459120).

Almost surely, 2^{155003414216212} is an apocalyptic number.

It is an amenable number.

155003414216212 is a deficient number, since it is larger than the sum of its proper divisors (116266311293228).

155003414216212 is a wasteful number, since it uses less digits than its factorization.

155003414216212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964375870 (or 1964375868 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 155003414216212 its reverse (212612414300551), we get a palindrome (367615828516763).

The spelling of 155003414216212 in words is "one hundred fifty-five trillion, three billion, four hundred fourteen million, two hundred sixteen thousand, two hundred twelve".