4001321231210 has 16 divisors (see below), whose sum is σ = 7626047523336. Its totient is φ = 1506379757568.

The previous prime is 4001321231177. The next prime is 4001321231231. The reversal of 4001321231210 is 121321231004.

It can be written as a sum of positive squares in 4 ways, for example, as 4001068071289 + 253159921 = 2000267^2 + 15911^2 .

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, 11768591687 + ... + 11768592026.

Almost surely, 2^{4001321231210} is an apocalyptic number.

4001321231210 is a deficient number, since it is larger than the sum of its proper divisors (3624726292126).

4001321231210 is a wasteful number, since it uses less digits than its factorization.

4001321231210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23537183737.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 4001321231210 its reverse (121321231004), we get a palindrome (4122642462214).

The spelling of 4001321231210 in words is "four trillion, one billion, three hundred twenty-one million, two hundred thirty-one thousand, two hundred ten".