20121000201132 has 24 divisors (see below), whose sum is σ = 46949836441536. Its totient is φ = 6706880642448.

The previous prime is 20121000201121. The next prime is 20121000201149. The reversal of 20121000201132 is 23110200012102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14224738 + ... + 15575145.

It is an arithmetic number, because the mean of its divisors is an integer number (1956243185064).

Almost surely, 2^{20121000201132} is an apocalyptic number.

It is an amenable number.

20121000201132 is an abundant number, since it is smaller than the sum of its proper divisors (26828836240404).

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

20121000201132 is a wasteful number, since it uses less digits than its factorization.

20121000201132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29856157 (or 29856155 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20121000201132 its reverse (23110200012102), we get a palindrome (43231200213234).

The spelling of 20121000201132 in words is "twenty trillion, one hundred twenty-one billion, two hundred one thousand, one hundred thirty-two".