155022430012 has 12 divisors (see below), whose sum is σ = 271336530976. Its totient is φ = 77497706880.

The previous prime is 155022429941. The next prime is 155022430027. The reversal of 155022430012 is 210034220551.

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, 3351189 + ... + 3397132.

Almost surely, 2^155022430012 is an apocalyptic number.

It is an amenable number.

155022430012 is a deficient number, since it is larger than the sum of its proper divisors (116314100964).

155022430012 is a wasteful number, since it uses less digits than its factorization.

155022430012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6754068 (or 6754066 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 155022430012 its reverse (210034220551), we get a palindrome (365056650563).

The spelling of 155022430012 in words is "one hundred fifty-five billion, twenty-two million, four hundred thirty thousand, twelve".