12101421342 has 16 divisors (see below), whose sum is σ = 25255140480. Its totient is φ = 3858424152.

The previous prime is 12101421307. The next prime is 12101421407. The reversal of 12101421342 is 24312410121.

It is a super-2 number, since 2×12101421342² (a number of 21 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 in 7 ways as a sum of consecutive naturals, for example, 43845592 + ... + 43845867.

It is an arithmetic number, because the mean of its divisors is an integer number (1578446280).

Almost surely, 2^12101421342 is an apocalyptic number.

12101421342 is an abundant number, since it is smaller than the sum of its proper divisors (13153719138).

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

12101421342 is a wasteful number, since it uses less digits than its factorization.

12101421342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87691487.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12101421342 its reverse (24312410121), we get a palindrome (36413831463).

The spelling of 12101421342 in words is "twelve billion, one hundred one million, four hundred twenty-one thousand, three hundred forty-two".