42201612 has 36 divisors (see below), whose sum is σ = 110357520. Its totient is φ = 13581792.

The previous prime is 42201611. The next prime is 42201613. The reversal of 42201612 is 21610224.

It is an interprime number because it is at equal distance from previous prime (42201611) and next prime (42201613).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (42201611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19168 + ... + 21255.

Almost surely, 2^42201612 is an apocalyptic number.

It is an amenable number.

42201612 is an abundant number, since it is smaller than the sum of its proper divisors (68155908).

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

42201612 is a wasteful number, since it uses less digits than its factorization.

42201612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40462 (or 40457 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 42201612 is about 6496.2767798178. The cubic root of 42201612 is about 348.1579742539.

Adding to 42201612 its reverse (21610224), we get a palindrome (63811836).

It can be divided in two parts, 4220 and 1612, that added together give a cube (5832 = 18³).

The spelling of 42201612 in words is "forty-two million, two hundred one thousand, six hundred twelve".