72020010212002 has 4 divisors (see below), whose sum is σ = 108030015318006. Its totient is φ = 36010005106000.

The previous prime is 72020010211999. The next prime is 72020010212039. The reversal of 72020010212002 is 20021201002027.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49189589033841 + 22830421178161 = 7013529^2 + 4778119^2 .

It is a super-3 number, since 3×72020010212002³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18005002552999 + ... + 18005002553002.

Almost surely, 2^{72020010212002} is an apocalyptic number.

72020010212002 is a deficient number, since it is larger than the sum of its proper divisors (36010005106004).

72020010212002 is a wasteful number, since it uses less digits than its factorization.

72020010212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36010005106003.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 72020010212002 its reverse (20021201002027), we get a palindrome (92041211214029).

The spelling of 72020010212002 in words is "seventy-two trillion, twenty billion, ten million, two hundred twelve thousand, two".