1209952216102 has 16 divisors (see below), whose sum is σ = 2130263362080. Its totient is φ = 504536059008.

The previous prime is 1209952216063. The next prime is 1209952216103. The reversal of 1209952216102 is 2016122599021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1209952216103) 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 7 ways as a sum of consecutive naturals, for example, 1167907027 + ... + 1167908062.

It is an arithmetic number, because the mean of its divisors is an integer number (133141460130).

Almost surely, 2^{1209952216102} is an apocalyptic number.

1209952216102 is a deficient number, since it is larger than the sum of its proper divisors (920311145978).

1209952216102 is a wasteful number, since it uses less digits than its factorization.

1209952216102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335815135.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 1209952216102 in words is "one trillion, two hundred nine billion, nine hundred fifty-two million, two hundred sixteen thousand, one hundred two".