72120560201061 has 8 divisors (see below), whose sum is σ = 96164827342464. Its totient is φ = 48078333263520.

The previous prime is 72120560201057. The next prime is 72120560201071. The reversal of 72120560201061 is 16010206502127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72120560201061 - 2² = 72120560201057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72120560201071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509968480 + ... + 510109881.

It is an arithmetic number, because the mean of its divisors is an integer number (12020603417808).

Almost surely, 2^{72120560201061} is an apocalyptic number.

It is an amenable number.

72120560201061 is a deficient number, since it is larger than the sum of its proper divisors (24044267141403).

72120560201061 is a wasteful number, since it uses less digits than its factorization.

72120560201061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020101931.

The product of its (nonzero) digits is 10080, while the sum is 33.

Adding to 72120560201061 its reverse (16010206502127), we get a palindrome (88130766703188).

The spelling of 72120560201061 in words is "seventy-two trillion, one hundred twenty billion, five hundred sixty million, two hundred one thousand, sixty-one".