1232212202021 has 8 divisors (see below), whose sum is σ = 1233110805504. Its totient is φ = 1231313747040.

The previous prime is 1232212201973. The next prime is 1232212202033. The reversal of 1232212202021 is 1202022122321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1232212202021 - 2¹⁰ = 1232212200997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232212201984 and 1232212202002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232212202051) 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, 20680745 + ... + 20740241.

It is an arithmetic number, because the mean of its divisors is an integer number (154138850688).

Almost surely, 2^{1232212202021} is an apocalyptic number.

It is an amenable number.

1232212202021 is a deficient number, since it is larger than the sum of its proper divisors (898603483).

1232212202021 is a wasteful number, since it uses less digits than its factorization.

1232212202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74251.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1232212202021 its reverse (1202022122321), we get a palindrome (2434234324342).

The spelling of 1232212202021 in words is "one trillion, two hundred thirty-two billion, two hundred twelve million, two hundred two thousand, twenty-one".