1021530412146 has 128 divisors (see below), whose sum is σ = 2274031872000. Its totient is φ = 304665546240.

The previous prime is 1021530412129. The next prime is 1021530412153. The reversal of 1021530412146 is 6412140351201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34399821 + ... + 34429503.

It is an arithmetic number, because the mean of its divisors is an integer number (17765874000).

Almost surely, 2^{1021530412146} is an apocalyptic number.

1021530412146 is an abundant number, since it is smaller than the sum of its proper divisors (1252501459854).

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

1021530412146 is a wasteful number, since it uses less digits than its factorization.

1021530412146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29984.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 1021530412146 its reverse (6412140351201), we get a palindrome (7433670763347).

The spelling of 1021530412146 in words is "one trillion, twenty-one billion, five hundred thirty million, four hundred twelve thousand, one hundred forty-six".