1220919804932 has 12 divisors (see below), whose sum is σ = 2136617906640. Its totient is φ = 610457545896.

The previous prime is 1220919804931. The next prime is 1220919804967. The reversal of 1220919804932 is 2394089190221.

It is not an unprimeable number, because it can be changed into a prime (1220919804931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141319 + ... + 1935057.

It is an arithmetic number, because the mean of its divisors is an integer number (178051492220).

Almost surely, 2^{1220919804932} is an apocalyptic number.

It is an amenable number.

1220919804932 is a deficient number, since it is larger than the sum of its proper divisors (915698101708).

1220919804932 is a wasteful number, since it uses less digits than its factorization.

1220919804932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178290 (or 1178288 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 1220919804932 in words is "one trillion, two hundred twenty billion, nine hundred nineteen million, eight hundred four thousand, nine hundred thirty-two".