1210107639552 has 144 divisors (see below), whose sum is σ = 3683044028160. Its totient is φ = 345528999936.

The previous prime is 1210107639527. The next prime is 1210107639571. The reversal of 1210107639552 is 2559367010121.

It is a happy number.

It is a super-2 number, since 2×1210107639552² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8634228 + ... + 8773260.

It is an arithmetic number, because the mean of its divisors is an integer number (25576694640).

Almost surely, 2^{1210107639552} is an apocalyptic number.

1210107639552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210107639552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1841522014080).

1210107639552 is an abundant number, since it is smaller than the sum of its proper divisors (2472936388608).

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

1210107639552 is a wasteful number, since it uses less digits than its factorization.

1210107639552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140678 (or 140664 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 1210107639552 in words is "one trillion, two hundred ten billion, one hundred seven million, six hundred thirty-nine thousand, five hundred fifty-two".