120000144652 has 12 divisors (see below), whose sum is σ = 210008971816. Its totient is φ = 59997581280.

The previous prime is 120000144637. The next prime is 120000144689. The reversal of 120000144652 is 256441000021.

It is a happy number.

It is a super-2 number, since 2×120000144652² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512193 + ... + 708760.

Almost surely, 2^120000144652 is an apocalyptic number.

It is an amenable number.

120000144652 is a deficient number, since it is larger than the sum of its proper divisors (90008827164).

120000144652 is a wasteful number, since it uses less digits than its factorization.

120000144652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245528 (or 1245526 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 120000144652 its reverse (256441000021), we get a palindrome (376441144673).

The spelling of 120000144652 in words is "one hundred twenty billion, one hundred forty-four thousand, six hundred fifty-two".