153520222012 has 12 divisors (see below), whose sum is σ = 270439597456. Its totient is φ = 76251765600.

The previous prime is 153520221991. The next prime is 153520222033. The reversal of 153520222012 is 210222025351.

It is an interprime number because it is at equal distance from previous prime (153520221991) and next prime (153520222033).

It is a super-2 number, since 2×153520222012² (a number of 23 digits) contains 22 as substring.

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, 127085673 + ... + 127086880.

Almost surely, 2^153520222012 is an apocalyptic number.

It is an amenable number.

153520222012 is a deficient number, since it is larger than the sum of its proper divisors (116919375444).

153520222012 is a wasteful number, since it uses less digits than its factorization.

153520222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254172708 (or 254172706 counting only the distinct ones).

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

Adding to 153520222012 its reverse (210222025351), we get a palindrome (363742247363).

The spelling of 153520222012 in words is "one hundred fifty-three billion, five hundred twenty million, two hundred twenty-two thousand, twelve".