4242121132 has 6 divisors (see below), whose sum is σ = 7423711988. Its totient is φ = 2121060564.

The previous prime is 4242121069. The next prime is 4242121133. The reversal of 4242121132 is 2311212424.

It is a super-2 number, since 2×4242121132² = 35991183397121922848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4242121133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530265138 + ... + 530265145.

Almost surely, 2^4242121132 is an apocalyptic number.

It is an amenable number.

4242121132 is a deficient number, since it is larger than the sum of its proper divisors (3181590856).

4242121132 is a wasteful number, since it uses less digits than its factorization.

4242121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060530287 (or 1060530285 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 4242121132 is about 65131.5678607540. The cubic root of 4242121132 is about 1618.8043217024.

Adding to 4242121132 its reverse (2311212424), we get a palindrome (6553333556).

The spelling of 4242121132 in words is "four billion, two hundred forty-two million, one hundred twenty-one thousand, one hundred thirty-two".