655042023012 has 192 divisors, whose sum is σ = 1747390176000. Its totient is φ = 189322168320.

The previous prime is 655042022989. The next prime is 655042023029. The reversal of 655042023012 is 210320240556.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 351982962 + ... + 351984822.

It is an arithmetic number, because the mean of its divisors is an integer number (9100990500).

Almost surely, 2^655042023012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655042023012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873695088000).

655042023012 is an abundant number, since it is smaller than the sum of its proper divisors (1092348152988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655042023012 is a wasteful number, since it uses less digits than its factorization.

655042023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846 (or 2844 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 655042023012 its reverse (210320240556), we get a palindrome (865362263568).

The spelling of 655042023012 in words is "six hundred fifty-five billion, forty-two million, twenty-three thousand, twelve".