1219680869121 has 128 divisors (see below), whose sum is σ = 2176409088000. Its totient is φ = 665145561600.

The previous prime is 1219680869119. The next prime is 1219680869123.

1219680869121 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (1219680869119) and next prime (1219680869123).

It is not a de Polignac number, because 1219680869121 - 2¹ = 1219680869119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1219680869123) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 256286940 + ... + 256291698.

It is an arithmetic number, because the mean of its divisors is an integer number (17003196000).

Almost surely, 2^{1219680869121} is an apocalyptic number.

1219680869121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1219680869121 is a deficient number, since it is larger than the sum of its proper divisors (956728218879).

1219680869121 is a wasteful number, since it uses less digits than its factorization.

1219680869121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452 (or 6446 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 54.

The spelling of 1219680869121 in words is "one trillion, two hundred nineteen billion, six hundred eighty million, eight hundred sixty-nine thousand, one hundred twenty-one".