2135770065212 has 192 divisors, whose sum is σ = 4738715520000. Its totient is φ = 839859197184.

The previous prime is 2135770065157. The next prime is 2135770065217. The reversal of 2135770065212 is 2125600775312.

It is a self number, because there is not a number n which added to its sum of digits gives 2135770065212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135770065217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63285839 + ... + 63319577.

It is an arithmetic number, because the mean of its divisors is an integer number (24680810000).

Almost surely, 2^{2135770065212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2135770065212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2369357760000).

2135770065212 is an abundant number, since it is smaller than the sum of its proper divisors (2602945454788).

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

2135770065212 is a wasteful number, since it uses less digits than its factorization.

2135770065212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33873 (or 33857 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 2135770065212 in words is "two trillion, one hundred thirty-five billion, seven hundred seventy million, sixty-five thousand, two hundred twelve".