1219487902050 has 48 divisors (see below), whose sum is σ = 3299269092192. Its totient is φ = 295633430400.

The previous prime is 1219487902037. The next prime is 1219487902063. The reversal of 1219487902050 is 502097849121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1219487902037) and next prime (1219487902063).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 369540139 + ... + 369543438.

It is an arithmetic number, because the mean of its divisors is an integer number (68734772754).

Almost surely, 2^{1219487902050} is an apocalyptic number.

1219487902050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1219487902050 is an abundant number, since it is smaller than the sum of its proper divisors (2079781190142).

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

1219487902050 is a wasteful number, since it uses less digits than its factorization.

1219487902050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739083603 (or 739083598 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 1219487902050 in words is "one trillion, two hundred nineteen billion, four hundred eighty-seven million, nine hundred two thousand, fifty".