42023212240202 has 4 divisors (see below), whose sum is σ = 63034818360306. Its totient is φ = 21011606120100.

The previous prime is 42023212240187. The next prime is 42023212240253. The reversal of 42023212240202 is 20204221232024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31760088800881 + 10263123439321 = 5635609^2 + 3203611^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505803060049 + ... + 10505803060052.

Almost surely, 2^{42023212240202} is an apocalyptic number.

42023212240202 is a deficient number, since it is larger than the sum of its proper divisors (21011606120104).

42023212240202 is a wasteful number, since it uses less digits than its factorization.

42023212240202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21011606120103.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 42023212240202 its reverse (20204221232024), we get a palindrome (62227433472226).

The spelling of 42023212240202 in words is "forty-two trillion, twenty-three billion, two hundred twelve million, two hundred forty thousand, two hundred two".