32120212332021 has 32 divisors (see below), whose sum is σ = 49450981332480. Its totient is φ = 18340336353600.

The previous prime is 32120212332017. The next prime is 32120212332077. The reversal of 32120212332021 is 12023321202123.

It is not a de Polignac number, because 32120212332021 - 2² = 32120212332017 is a prime.

It is a super-2 number, since 2×32120212332021² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32120212331982 and 32120212332000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120212330021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141401455 + ... + 141628428.

It is an arithmetic number, because the mean of its divisors is an integer number (1545343166640).

Almost surely, 2^{32120212332021} is an apocalyptic number.

It is an amenable number.

32120212332021 is a deficient number, since it is larger than the sum of its proper divisors (17330769000459).

32120212332021 is a wasteful number, since it uses less digits than its factorization.

32120212332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283030097.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 32120212332021 its reverse (12023321202123), we get a palindrome (44143533534144).

The spelling of 32120212332021 in words is "thirty-two trillion, one hundred twenty billion, two hundred twelve million, three hundred thirty-two thousand, twenty-one".