121445031436077 has 16 divisors (see below), whose sum is σ = 166303629843840. Its totient is φ = 78774907442112.

The previous prime is 121445031436063. The next prime is 121445031436087. The reversal of 121445031436077 is 770634130544121.

It is not a de Polignac number, because 121445031436077 - 2¹² = 121445031431981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121445031436087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37734703 + ... + 40826435.

It is an arithmetic number, because the mean of its divisors is an integer number (10393976865240).

Almost surely, 2^{121445031436077} is an apocalyptic number.

It is an amenable number.

121445031436077 is a deficient number, since it is larger than the sum of its proper divisors (44858598407763).

121445031436077 is a wasteful number, since it uses less digits than its factorization.

121445031436077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445652.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 121445031436077 in words is "one hundred twenty-one trillion, four hundred forty-five billion, thirty-one million, four hundred thirty-six thousand, seventy-seven".