4020143234121 has 48 divisors (see below), whose sum is σ = 6687736818048. Its totient is φ = 2279467008000.

The previous prime is 4020143234119. The next prime is 4020143234147. The reversal of 4020143234121 is 1214323410204.

4020143234121 is a `hidden beast` number, since 4 + 0 + 201 + 43 + 2 + 3 + 412 + 1 = 666.

It is not a de Polignac number, because 4020143234121 - 2¹ = 4020143234119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4020143234101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124612425 + ... + 124644681.

It is an arithmetic number, because the mean of its divisors is an integer number (139327850376).

Almost surely, 2^{4020143234121} is an apocalyptic number.

It is an amenable number.

4020143234121 is a deficient number, since it is larger than the sum of its proper divisors (2667593583927).

4020143234121 is a wasteful number, since it uses less digits than its factorization.

4020143234121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47502 (or 47499 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4020143234121 its reverse (1214323410204), we get a palindrome (5234466644325).

The spelling of 4020143234121 in words is "four trillion, twenty billion, one hundred forty-three million, two hundred thirty-four thousand, one hundred twenty-one".