4202031212142 has 16 divisors (see below), whose sum is σ = 8505316189440. Its totient is φ = 1383801443192.

The previous prime is 4202031212123. The next prime is 4202031212179. The reversal of 4202031212142 is 2412121302024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4218906342 + ... + 4218907337.

It is an arithmetic number, because the mean of its divisors is an integer number (531582261840).

Almost surely, 2^{4202031212142} is an apocalyptic number.

4202031212142 is an abundant number, since it is smaller than the sum of its proper divisors (4303284977298).

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

4202031212142 is a wasteful number, since it uses less digits than its factorization.

4202031212142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8437813767.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 4202031212142 its reverse (2412121302024), we get a palindrome (6614152514166).

The spelling of 4202031212142 in words is "four trillion, two hundred two billion, thirty-one million, two hundred twelve thousand, one hundred forty-two".