1020434434212 has 24 divisors (see below), whose sum is σ = 2381314269376. Its totient is φ = 340101870048.

The previous prime is 1020434434171. The next prime is 1020434434219. The reversal of 1020434434212 is 2124344340201.

It is a super-4 number, since 4×1020434434212⁴ (a number of 49 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020434434212.

It is not an unprimeable number, because it can be changed into a prime (1020434434219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5268583 + ... + 5458830.

Almost surely, 2^{1020434434212} is an apocalyptic number.

1020434434212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020434434212 is an abundant number, since it is smaller than the sum of its proper divisors (1360879835164).

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

1020434434212 is a wasteful number, since it uses less digits than its factorization.

1020434434212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10735347 (or 10735345 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1020434434212 its reverse (2124344340201), we get a palindrome (3144778774413).

The spelling of 1020434434212 in words is "one trillion, twenty billion, four hundred thirty-four million, four hundred thirty-four thousand, two hundred twelve".