1021421032312 has 16 divisors (see below), whose sum is σ = 2027821167360. Its totient is φ = 480668721024.

The previous prime is 1021421032273. The next prime is 1021421032409. The reversal of 1021421032312 is 2132301241201.

1021421032312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3755224248 + ... + 3755224519.

It is an arithmetic number, because the mean of its divisors is an integer number (126738822960).

Almost surely, 2^{1021421032312} is an apocalyptic number.

It is an amenable number.

1021421032312 is a deficient number, since it is larger than the sum of its proper divisors (1006400135048).

1021421032312 is a wasteful number, since it uses less digits than its factorization.

1021421032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7510448790 (or 7510448786 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1021421032312 its reverse (2132301241201), we get a palindrome (3153722273513).

The spelling of 1021421032312 in words is "one trillion, twenty-one billion, four hundred twenty-one million, thirty-two thousand, three hundred twelve".