1031430121012 has 12 divisors (see below), whose sum is σ = 1805009887296. Its totient is φ = 515713010360.

The previous prime is 1031430120967. The next prime is 1031430121027. The reversal of 1031430121012 is 2101210341301.

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, 1480923 + ... + 2063005.

It is an arithmetic number, because the mean of its divisors is an integer number (150417490608).

Almost surely, 2^{1031430121012} is an apocalyptic number.

It is an amenable number.

1031430121012 is a deficient number, since it is larger than the sum of its proper divisors (773579766284).

1031430121012 is a wasteful number, since it uses less digits than its factorization.

1031430121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025078 (or 1025076 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1031430121012 its reverse (2101210341301), we get a palindrome (3132640462313).

The spelling of 1031430121012 in words is "one trillion, thirty-one billion, four hundred thirty million, one hundred twenty-one thousand, twelve".