201231002123002 has 8 divisors (see below), whose sum is σ = 302134250092500. Its totient is φ = 100519585425504.

The previous prime is 201231002122993. The next prime is 201231002123023. The reversal of 201231002123002 is 200321200132102.

It can be written as a sum of positive squares in 2 ways, for example, as 140961693907441 + 60269308215561 = 11872729^2 + 7763331^2 .

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

It is a super-2 number, since 2×201231002123002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47957815377 + ... + 47957819572.

Almost surely, 2^{201231002123002} is an apocalyptic number.

201231002123002 is a deficient number, since it is larger than the sum of its proper divisors (100903247969498).

201231002123002 is a wasteful number, since it uses less digits than its factorization.

201231002123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95915636000.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201231002123002 its reverse (200321200132102), we get a palindrome (401552202255104).

The spelling of 201231002123002 in words is "two hundred one trillion, two hundred thirty-one billion, two million, one hundred twenty-three thousand, two".