1020020032312 has 8 divisors (see below), whose sum is σ = 1912537560600. Its totient is φ = 510010016152.

The previous prime is 1020020032289. The next prime is 1020020032333. The reversal of 1020020032312 is 2132300200201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63751252012 + ... + 63751252027.

It is an arithmetic number, because the mean of its divisors is an integer number (239067195075).

Almost surely, 2^{1020020032312} is an apocalyptic number.

It is an amenable number.

1020020032312 is a deficient number, since it is larger than the sum of its proper divisors (892517528288).

1020020032312 is a wasteful number, since it uses less digits than its factorization.

1020020032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127502504045 (or 127502504041 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1020020032312 its reverse (2132300200201), we get a palindrome (3152320232513).

The spelling of 1020020032312 in words is "one trillion, twenty billion, twenty million, thirty-two thousand, three hundred twelve".