1012312012032 has 54 divisors (see below), whose sum is σ = 2918745100362. Its totient is φ = 337437336576.

The previous prime is 1012312012003. The next prime is 1012312012037. The reversal of 1012312012032 is 2302102132101.

It can be written as a sum of positive squares in only one way, i.e., 662491812096 + 349820199936 = 813936^2 + 591456^2 .

It is a super-2 number, since 2×1012312012032² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1012312011996 and 1012312012014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012312012037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219683463 + ... + 219688070.

Almost surely, 2^{1012312012032} is an apocalyptic number.

1012312012032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012312012032 is an abundant number, since it is smaller than the sum of its proper divisors (1906433088330).

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

1012312012032 is an equidigital number, since it uses as much as digits as its factorization.

1012312012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439371555 (or 439371538 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1012312012032 its reverse (2302102132101), we get a palindrome (3314414144133).

The spelling of 1012312012032 in words is "one trillion, twelve billion, three hundred twelve million, twelve thousand, thirty-two".