120065206261 has 32 divisors (see below), whose sum is σ = 162097318656. Its totient is φ = 85883328000.

The previous prime is 120065206259. The next prime is 120065206351. The reversal of 120065206261 is 162602560021.

It is a cyclic number.

It is not a de Polignac number, because 120065206261 - 2¹ = 120065206259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120065206231) 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, 150160 + ... + 512521.

It is an arithmetic number, because the mean of its divisors is an integer number (5065541208).

Almost surely, 2^120065206261 is an apocalyptic number.

120065206261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120065206261 is a deficient number, since it is larger than the sum of its proper divisors (42032112395).

120065206261 is a wasteful number, since it uses less digits than its factorization.

120065206261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662893.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 120065206261 its reverse (162602560021), we get a palindrome (282667766282).

The spelling of 120065206261 in words is "one hundred twenty billion, sixty-five million, two hundred six thousand, two hundred sixty-one".