12146742651020 has 24 divisors (see below), whose sum is σ = 25649088633168. Its totient is φ = 4831853428800.

The previous prime is 12146742650983. The next prime is 12146742651049. The reversal of 12146742651020 is 2015624764121.

It is a happy number.

It is a super-3 number, since 3×12146742651020³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1677723266 + ... + 1677730505.

It is an arithmetic number, because the mean of its divisors is an integer number (1068712026382).

Almost surely, 2^{12146742651020} is an apocalyptic number.

12146742651020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12146742651020 is an abundant number, since it is smaller than the sum of its proper divisors (13502345982148).

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

12146742651020 is a wasteful number, since it uses less digits than its factorization.

12146742651020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355453961 (or 3355453959 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 12146742651020 in words is "twelve trillion, one hundred forty-six billion, seven hundred forty-two million, six hundred fifty-one thousand, twenty".