140123434244212 has 12 divisors (see below), whose sum is σ = 245918634600100. Its totient is φ = 69860967215616.

The previous prime is 140123434244203. The next prime is 140123434244221. The reversal of 140123434244212 is 212442434321041.

It is an interprime number because it is at equal distance from previous prime (140123434244203) and next prime (140123434244221).

It can be written as a sum of positive squares in 2 ways, for example, as 34561864976356 + 105561569267856 = 5878934^2 + 10274316^2 .

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, 50187475053 + ... + 50187477844.

Almost surely, 2^{140123434244212} is an apocalyptic number.

It is an amenable number.

140123434244212 is a deficient number, since it is larger than the sum of its proper divisors (105795200355888).

140123434244212 is a wasteful number, since it uses less digits than its factorization.

140123434244212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100374953250 (or 100374953248 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 140123434244212 its reverse (212442434321041), we get a palindrome (352565868565253).

The spelling of 140123434244212 in words is "one hundred forty trillion, one hundred twenty-three billion, four hundred thirty-four million, two hundred forty-four thousand, two hundred twelve".