40312412014121 has 8 divisors (see below), whose sum is σ = 43440281479560. Its totient is φ = 37188387505152.

The previous prime is 40312412014109. The next prime is 40312412014151. The reversal of 40312412014121 is 12141021421304.

It can be written as a sum of positive squares in 4 ways, for example, as 284152963600 + 40028259050521 = 533060^2 + 6326789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-40312412014121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40312412014151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961217336 + ... + 961259273.

It is an arithmetic number, because the mean of its divisors is an integer number (5430035184945).

Almost surely, 2^{40312412014121} is an apocalyptic number.

It is an amenable number.

40312412014121 is a deficient number, since it is larger than the sum of its proper divisors (3127869465439).

40312412014121 is a wasteful number, since it uses less digits than its factorization.

40312412014121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922478235.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 40312412014121 its reverse (12141021421304), we get a palindrome (52453433435425).

The spelling of 40312412014121 in words is "forty trillion, three hundred twelve billion, four hundred twelve million, fourteen thousand, one hundred twenty-one".