181001222012002 has 8 divisors (see below), whose sum is σ = 310287809163456. Its totient is φ = 77571952290852.

The previous prime is 181001222011999. The next prime is 181001222012003. The reversal of 181001222012002 is 200210222100181.

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

It is a super-3 number, since 3×181001222012002³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (181001222012003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6464329357558 + ... + 6464329357585.

It is an arithmetic number, because the mean of its divisors is an integer number (38785976145432).

Almost surely, 2^{181001222012002} is an apocalyptic number.

181001222012002 is a deficient number, since it is larger than the sum of its proper divisors (129286587151454).

181001222012002 is a wasteful number, since it uses less digits than its factorization.

181001222012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12928658715152.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 181001222012002 its reverse (200210222100181), we get a palindrome (381211444112183).

The spelling of 181001222012002 in words is "one hundred eighty-one trillion, one billion, two hundred twenty-two million, twelve thousand, two".