72002021201201 has 24 divisors (see below), whose sum is σ = 89107995873600. Its totient is φ = 56966578433856.

The previous prime is 72002021201189. The next prime is 72002021201249. The reversal of 72002021201201 is 10210212020027.

It is not a de Polignac number, because 72002021201201 - 2¹⁴ = 72002021184817 is a prime.

It is a super-4 number, since 4×72002021201201⁴ (a number of 57 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72002021207201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32158091 + ... + 34324143.

It is an arithmetic number, because the mean of its divisors is an integer number (3712833161400).

Almost surely, 2^{72002021201201} is an apocalyptic number.

It is an amenable number.

72002021201201 is a deficient number, since it is larger than the sum of its proper divisors (17105974672399).

72002021201201 is a wasteful number, since it uses less digits than its factorization.

72002021201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194185 (or 2194172 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 72002021201201 its reverse (10210212020027), we get a palindrome (82212233221228).

The spelling of 72002021201201 in words is "seventy-two trillion, two billion, twenty-one million, two hundred one thousand, two hundred one".