1021133423212 has 24 divisors (see below), whose sum is σ = 2042347627040. Its totient is φ = 437611299840.

The previous prime is 1021133423203. The next prime is 1021133423231. The reversal of 1021133423212 is 2123243311201.

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, 12364 + ... + 1429132.

Almost surely, 2^{1021133423212} is an apocalyptic number.

It is an amenable number.

1021133423212 is an abundant number, since it is smaller than the sum of its proper divisors (1021214203828).

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

1021133423212 is a wasteful number, since it uses less digits than its factorization.

1021133423212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442521 (or 1442519 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1021133423212 its reverse (2123243311201), we get a palindrome (3144376734413).

The spelling of 1021133423212 in words is "one trillion, twenty-one billion, one hundred thirty-three million, four hundred twenty-three thousand, two hundred twelve".