4072120359261 has 32 divisors (see below), whose sum is σ = 5462530375680. Its totient is φ = 2698277468544.

The previous prime is 4072120359239. The next prime is 4072120359269. The reversal of 4072120359261 is 1629530212704.

It is a happy number.

It is not a de Polignac number, because 4072120359261 - 2⁹ = 4072120358749 is a prime.

It is a super-2 number, since 2×4072120359261² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072120359269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1133346481 + ... + 1133350073.

It is an arithmetic number, because the mean of its divisors is an integer number (170704074240).

Almost surely, 2^{4072120359261} is an apocalyptic number.

It is an amenable number.

4072120359261 is a deficient number, since it is larger than the sum of its proper divisors (1390410016419).

4072120359261 is a wasteful number, since it uses less digits than its factorization.

4072120359261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 4072120359261 in words is "four trillion, seventy-two billion, one hundred twenty million, three hundred fifty-nine thousand, two hundred sixty-one".