15212071201 has 8 divisors (see below), whose sum is σ = 15430314240. Its totient is φ = 14994094752.

The previous prime is 15212071181. The next prime is 15212071229. The reversal of 15212071201 is 10217021251.

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

It is a cyclic number.

It is not a de Polignac number, because 15212071201 - 2⁷ = 15212071073 is a prime.

It is a super-2 number, since 2×15212071201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15212078201) 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, 49740 + ... + 181378.

It is an arithmetic number, because the mean of its divisors is an integer number (1928789280).

Almost surely, 2^15212071201 is an apocalyptic number.

It is an amenable number.

15212071201 is a deficient number, since it is larger than the sum of its proper divisors (218243039).

15212071201 is a wasteful number, since it uses less digits than its factorization.

15212071201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133295.

The product of its (nonzero) digits is 280, while the sum is 22.

Adding to 15212071201 its reverse (10217021251), we get a palindrome (25429092452).

The spelling of 15212071201 in words is "fifteen billion, two hundred twelve million, seventy-one thousand, two hundred one".