1042320422120 has 64 divisors (see below), whose sum is σ = 2424462440400. Its totient is φ = 403027384320.

The previous prime is 1042320422111. The next prime is 1042320422123. The reversal of 1042320422120 is 212240232401.

It can be written as a sum of positive squares in 8 ways, for example, as 596104438084 + 446215984036 = 772078^2 + 667994^2 .

It is not an unprimeable number, because it can be changed into a prime (1042320422123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2736659 + ... + 3094178.

Almost surely, 2^{1042320422120} is an apocalyptic number.

1042320422120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042320422120 is an abundant number, since it is smaller than the sum of its proper divisors (1382142018280).

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

1042320422120 is a wasteful number, since it uses less digits than its factorization.

1042320422120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830998 (or 5830994 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1042320422120 its reverse (212240232401), we get a palindrome (1254560654521).

The spelling of 1042320422120 in words is "one trillion, forty-two billion, three hundred twenty million, four hundred twenty-two thousand, one hundred twenty".