1210771429434 has 192 divisors, whose sum is σ = 3194754151680. Its totient is φ = 324051840000.

The previous prime is 1210771429433. The next prime is 1210771429477. The reversal of 1210771429434 is 4349241770121.

1210771429434 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 77 + 142 + 9 + 434 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1210771429434.

It is not an unprimeable number, because it can be changed into a prime (1210771429433) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27094009 + ... + 27138659.

It is an arithmetic number, because the mean of its divisors is an integer number (16639344540).

Almost surely, 2^{1210771429434} is an apocalyptic number.

1210771429434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210771429434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1597377075840).

1210771429434 is an abundant number, since it is smaller than the sum of its proper divisors (1983982722246).

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

1210771429434 is a wasteful number, since it uses less digits than its factorization.

1210771429434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44917 (or 44914 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 1210771429434 in words is "one trillion, two hundred ten billion, seven hundred seventy-one million, four hundred twenty-nine thousand, four hundred thirty-four".