201012023442 has 16 divisors (see below), whose sum is σ = 404269993440. Its totient is φ = 66629683392.

The previous prime is 201012023369. The next prime is 201012023449. The reversal of 201012023442 is 244320210102.

201012023442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201012023449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93579943 + ... + 93582090.

It is an arithmetic number, because the mean of its divisors is an integer number (25266874590).

Almost surely, 2^201012023442 is an apocalyptic number.

201012023442 is an abundant number, since it is smaller than the sum of its proper divisors (203257969998).

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

201012023442 is a wasteful number, since it uses less digits than its factorization.

201012023442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187162217.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 201012023442 its reverse (244320210102), we get a palindrome (445332233544).

The spelling of 201012023442 in words is "two hundred one billion, twelve million, twenty-three thousand, four hundred forty-two".