2121012031032 has 24 divisors (see below), whose sum is σ = 5744407584240. Its totient is φ = 707004010320.

The previous prime is 2121012031007. The next prime is 2121012031043. The reversal of 2121012031032 is 2301302101212.

2121012031032 is a `hidden beast` number, since 21 + 210 + 120 + 310 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2121012030996 and 2121012031014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14729250144 + ... + 14729250287.

It is an arithmetic number, because the mean of its divisors is an integer number (239350316010).

Almost surely, 2^{2121012031032} is an apocalyptic number.

It is an amenable number.

2121012031032 is an abundant number, since it is smaller than the sum of its proper divisors (3623395553208).

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

2121012031032 is a wasteful number, since it uses less digits than its factorization.

2121012031032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29458500443 (or 29458500436 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2121012031032 its reverse (2301302101212), we get a palindrome (4422314132244).

The spelling of 2121012031032 in words is "two trillion, one hundred twenty-one billion, twelve million, thirty-one thousand, thirty-two".