4001135510212 has 12 divisors (see below), whose sum is σ = 7004988439596. Its totient is φ = 1999710241760.

The previous prime is 4001135510189. The next prime is 4001135510213. The reversal of 4001135510212 is 2120155311004.

It can be written as a sum of positive squares in 2 ways, for example, as 2973782985156 + 1027352525056 = 1724466^2 + 1013584^2 .

It is not an unprimeable number, because it can be changed into a prime (4001135510213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214367839 + ... + 214386502.

It is an arithmetic number, because the mean of its divisors is an integer number (583749036633).

Almost surely, 2^{4001135510212} is an apocalyptic number.

It is an amenable number.

4001135510212 is a deficient number, since it is larger than the sum of its proper divisors (3003852929384).

4001135510212 is a wasteful number, since it uses less digits than its factorization.

4001135510212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428756678 (or 428756676 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 4001135510212 in words is "four trillion, one billion, one hundred thirty-five million, five hundred ten thousand, two hundred twelve".