2021212133132 has 24 divisors (see below), whose sum is σ = 3662859508560. Its totient is φ = 974752627520.

The previous prime is 2021212133117. The next prime is 2021212133243. The reversal of 2021212133132 is 2313312121202.

It is a junction number, because it is equal to n+sod(n) for n = 2021212133098 and 2021212133107.

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, 8859683 + ... + 9084954.

It is an arithmetic number, because the mean of its divisors is an integer number (152619146190).

Almost surely, 2^{2021212133132} is an apocalyptic number.

It is an amenable number.

2021212133132 is a deficient number, since it is larger than the sum of its proper divisors (1641647375428).

2021212133132 is a wasteful number, since it uses less digits than its factorization.

2021212133132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17945641 (or 17945639 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2021212133132 its reverse (2313312121202), we get a palindrome (4334524254334).

The spelling of 2021212133132 in words is "two trillion, twenty-one billion, two hundred twelve million, one hundred thirty-three thousand, one hundred thirty-two".