121001436006 has 16 divisors (see below), whose sum is σ = 264003133248. Its totient is φ = 36667101800.

The previous prime is 121001435981. The next prime is 121001436007. The reversal of 121001436006 is 600634100121.

It is a super-2 number, since 2×121001436006² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001436007) 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, 916677480 + ... + 916677611.

It is an arithmetic number, because the mean of its divisors is an integer number (16500195828).

Almost surely, 2^121001436006 is an apocalyptic number.

121001436006 is an abundant number, since it is smaller than the sum of its proper divisors (143001697242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121001436006 is a wasteful number, since it uses less digits than its factorization.

121001436006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833355107.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 121001436006 its reverse (600634100121), we get a palindrome (721635536127).

The spelling of 121001436006 in words is "one hundred twenty-one billion, one million, four hundred thirty-six thousand, six".