61340032501212 has 12 divisors (see below), whose sum is σ = 143126742502856. Its totient is φ = 20446677500400.

The previous prime is 61340032501151. The next prime is 61340032501229. The reversal of 61340032501212 is 21210523004316.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 61340032501212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555834687539 + ... + 2555834687562.

Almost surely, 2^{61340032501212} is an apocalyptic number.

It is an amenable number.

61340032501212 is an abundant number, since it is smaller than the sum of its proper divisors (81786710001644).

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

61340032501212 is a wasteful number, since it uses less digits than its factorization.

61340032501212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111669375108 (or 5111669375106 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 61340032501212 its reverse (21210523004316), we get a palindrome (82550555505528).

The spelling of 61340032501212 in words is "sixty-one trillion, three hundred forty billion, thirty-two million, five hundred one thousand, two hundred twelve".