4021210142 has 8 divisors (see below), whose sum is σ = 6032466336. Its totient is φ = 2010388032.

The previous prime is 4021210139. The next prime is 4021210169. The reversal of 4021210142 is 2410121204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4021210142² = 32340262012247320328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4021210142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84278 + ... + 123065.

It is an arithmetic number, because the mean of its divisors is an integer number (754058292).

Almost surely, 2^4021210142 is an apocalyptic number.

4021210142 is a deficient number, since it is larger than the sum of its proper divisors (2011256194).

4021210142 is a wasteful number, since it uses less digits than its factorization.

4021210142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217042.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4021210142 is about 63413.0124028184. The cubic root of 4021210142 is about 1590.2018574728.

Adding to 4021210142 its reverse (2410121204), we get a palindrome (6431331346).

The spelling of 4021210142 in words is "four billion, twenty-one million, two hundred ten thousand, one hundred forty-two".