1210422134440 has 64 divisors (see below), whose sum is σ = 2775332626560. Its totient is φ = 474948514560.

The previous prime is 1210422134437. The next prime is 1210422134507. The reversal of 1210422134440 is 444312240121.

It is a super-2 number, since 2×1210422134440² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210422134399 and 1210422134408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12517075 + ... + 12613405.

It is an arithmetic number, because the mean of its divisors is an integer number (43364572290).

Almost surely, 2^{1210422134440} is an apocalyptic number.

1210422134440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210422134440 is an abundant number, since it is smaller than the sum of its proper divisors (1564910492120).

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

1210422134440 is a wasteful number, since it uses less digits than its factorization.

1210422134440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102322 (or 102318 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1210422134440 its reverse (444312240121), we get a palindrome (1654734374561).

The spelling of 1210422134440 in words is "one trillion, two hundred ten billion, four hundred twenty-two million, one hundred thirty-four thousand, four hundred forty".