201242334056 has 8 divisors (see below), whose sum is σ = 377329376370. Its totient is φ = 100621167024.

The previous prime is 201242333977. The next prime is 201242334071. The reversal of 201242334056 is 650433242102.

It can be written as a sum of positive squares in only one way, i.e., 183497429956 + 17744904100 = 428366^2 + 133210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×201242334056² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12577645871 + ... + 12577645886.

Almost surely, 2^201242334056 is an apocalyptic number.

It is an amenable number.

201242334056 is a deficient number, since it is larger than the sum of its proper divisors (176087042314).

201242334056 is a wasteful number, since it uses less digits than its factorization.

201242334056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25155291763 (or 25155291759 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 201242334056 its reverse (650433242102), we get a palindrome (851675576158).

The spelling of 201242334056 in words is "two hundred one billion, two hundred forty-two million, three hundred thirty-four thousand, fifty-six".