1213102319990 has 64 divisors (see below), whose sum is σ = 2485927107072. Its totient is φ = 421903468800.

The previous prime is 1213102319969. The next prime is 1213102320011. The reversal of 1213102319990 is 999132013121.

It is an interprime number because it is at equal distance from previous prime (1213102319969) and next prime (1213102320011).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 31051409 + ... + 31090451.

It is an arithmetic number, because the mean of its divisors is an integer number (38842611048).

Almost surely, 2^{1213102319990} is an apocalyptic number.

1213102319990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213102319990 is an abundant number, since it is smaller than the sum of its proper divisors (1272824787082).

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

1213102319990 is a wasteful number, since it uses less digits than its factorization.

1213102319990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51365.

The product of its (nonzero) digits is 26244, while the sum is 41.

The spelling of 1213102319990 in words is "one trillion, two hundred thirteen billion, one hundred two million, three hundred nineteen thousand, nine hundred ninety".