4712215989261 has 16 divisors (see below), whose sum is σ = 6856081374528. Its totient is φ = 2855076384000.

The previous prime is 4712215989233. The next prime is 4712215989277. The reversal of 4712215989261 is 1629895122174.

It is a happy number.

It is not a de Polignac number, because 4712215989261 - 2⁶ = 4712215989197 is a prime.

It is a super-2 number, since 2×4712215989261² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4712215989461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20184540 + ... + 20416661.

It is an arithmetic number, because the mean of its divisors is an integer number (428505085908).

Almost surely, 2^{4712215989261} is an apocalyptic number.

It is an amenable number.

4712215989261 is a deficient number, since it is larger than the sum of its proper divisors (2143865385267).

4712215989261 is a wasteful number, since it uses less digits than its factorization.

4712215989261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40604732.

The product of its digits is 4354560, while the sum is 57.

The spelling of 4712215989261 in words is "four trillion, seven hundred twelve billion, two hundred fifteen million, nine hundred eighty-nine thousand, two hundred sixty-one".