1220964613134 has 48 divisors (see below), whose sum is σ = 2847695643216. Its totient is φ = 347977056000.

The previous prime is 1220964613111. The next prime is 1220964613139. The reversal of 1220964613134 is 4313164690221.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220964613139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5060337 + ... + 5296124.

It is an arithmetic number, because the mean of its divisors is an integer number (59326992567).

Almost surely, 2^{1220964613134} is an apocalyptic number.

1220964613134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1220964613134 is an abundant number, since it is smaller than the sum of its proper divisors (1626731030082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220964613134 is a wasteful number, since it uses less digits than its factorization.

1220964613134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10356881 (or 10356874 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 1220964613134 in words is "one trillion, two hundred twenty billion, nine hundred sixty-four million, six hundred thirteen thousand, one hundred thirty-four".