12002021134 has 8 divisors (see below), whose sum is σ = 18096312240. Its totient is φ = 5969917056.

The previous prime is 12002021123. The next prime is 12002021149. The reversal of 12002021134 is 43112020021.

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

It is a super-2 number, since 2×12002021134² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 15546274 + ... + 15547045.

It is an arithmetic number, because the mean of its divisors is an integer number (2262039030).

Almost surely, 2^12002021134 is an apocalyptic number.

12002021134 is a deficient number, since it is larger than the sum of its proper divisors (6094291106).

12002021134 is a wasteful number, since it uses less digits than its factorization.

12002021134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31093514.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12002021134 its reverse (43112020021), we get a palindrome (55114041155).

The spelling of 12002021134 in words is "twelve billion, two million, twenty-one thousand, one hundred thirty-four".