2120212121032 has 8 divisors (see below), whose sum is σ = 3975397726950. Its totient is φ = 1060106060512.

The previous prime is 2120212121023. The next prime is 2120212121033. The reversal of 2120212121032 is 2301212120212.

It can be written as a sum of positive squares in only one way, i.e., 1799713473156 + 320498647876 = 1341534^2 + 566126^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2120212121033) by changing a digit.

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 as a sum of consecutive naturals, namely, 132513257557 + ... + 132513257572.

Almost surely, 2^{2120212121032} is an apocalyptic number.

It is an amenable number.

2120212121032 is a deficient number, since it is larger than the sum of its proper divisors (1855185605918).

2120212121032 is a wasteful number, since it uses less digits than its factorization.

2120212121032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265026515135 (or 265026515131 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2120212121032 its reverse (2301212120212), we get a palindrome (4421424241244).

The spelling of 2120212121032 in words is "two trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty-one thousand, thirty-two".