121322443045 has 16 divisors (see below), whose sum is σ = 150578634240. Its totient is φ = 93742459200.

The previous prime is 121322443037. The next prime is 121322443063. The reversal of 121322443045 is 540344223121.

It is not a de Polignac number, because 121322443045 - 2³ = 121322443037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 121322442998 and 121322443016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689991 + ... + 847780.

It is an arithmetic number, because the mean of its divisors is an integer number (9411164640).

Almost surely, 2^121322443045 is an apocalyptic number.

It is an amenable number.

121322443045 is a deficient number, since it is larger than the sum of its proper divisors (29256191195).

121322443045 is a wasteful number, since it uses less digits than its factorization.

121322443045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538316.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 121322443045 its reverse (540344223121), we get a palindrome (661666666166).

The spelling of 121322443045 in words is "one hundred twenty-one billion, three hundred twenty-two million, four hundred forty-three thousand, forty-five".