1021212002232 has 24 divisors (see below), whose sum is σ = 2765782506240. Its totient is φ = 340404000720.

The previous prime is 1021212002197. The next prime is 1021212002269. The reversal of 1021212002232 is 2322002121201.

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 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, 7091749944 + ... + 7091750087.

It is an arithmetic number, because the mean of its divisors is an integer number (115240937760).

Almost surely, 2^{1021212002232} is an apocalyptic number.

1021212002232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021212002232 is an abundant number, since it is smaller than the sum of its proper divisors (1744570504008).

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

1021212002232 is a wasteful number, since it uses less digits than its factorization.

1021212002232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14183500043 (or 14183500036 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1021212002232 its reverse (2322002121201), we get a palindrome (3343214123433).

The spelling of 1021212002232 in words is "one trillion, twenty-one billion, two hundred twelve million, two thousand, two hundred thirty-two".