421346543012 has 12 divisors (see below), whose sum is σ = 738197227740. Its totient is φ = 210433049376.

The previous prime is 421346542987. The next prime is 421346543053. The reversal of 421346543012 is 210345643124.

It can be written as a sum of positive squares in 2 ways, for example, as 222551836516 + 198794706496 = 471754^2 + 445864^2 .

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, 60051587 + ... + 60058602.

It is an arithmetic number, because the mean of its divisors is an integer number (61516435645).

Almost surely, 2^421346543012 is an apocalyptic number.

It is an amenable number.

421346543012 is a deficient number, since it is larger than the sum of its proper divisors (316850684728).

421346543012 is a wasteful number, since it uses less digits than its factorization.

421346543012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120111070 (or 120111068 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 421346543012 in words is "four hundred twenty-one billion, three hundred forty-six million, five hundred forty-three thousand, twelve".