61214534012 has 6 divisors (see below), whose sum is σ = 107125434528. Its totient is φ = 30607267004.

The previous prime is 61214533999. The next prime is 61214534021. The reversal of 61214534012 is 21043541216.

61214534012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61214534012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7651816748 + ... + 7651816755.

It is an arithmetic number, because the mean of its divisors is an integer number (17854239088).

Almost surely, 2^61214534012 is an apocalyptic number.

It is an amenable number.

61214534012 is a deficient number, since it is larger than the sum of its proper divisors (45910900516).

61214534012 is a wasteful number, since it uses less digits than its factorization.

61214534012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15303633507 (or 15303633505 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 61214534012 in words is "sixty-one billion, two hundred fourteen million, five hundred thirty-four thousand, twelve".