1342220421012 has 96 divisors (see below), whose sum is σ = 3238388294400. Its totient is φ = 432447375360.

The previous prime is 1342220421001. The next prime is 1342220421019. The reversal of 1342220421012 is 2101240222431.

It is a super-2 number, since 2×1342220421012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342220421019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61988364 + ... + 62010012.

It is an arithmetic number, because the mean of its divisors is an integer number (33733211400).

Almost surely, 2^{1342220421012} is an apocalyptic number.

1342220421012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1342220421012 is an abundant number, since it is smaller than the sum of its proper divisors (1896167873388).

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

1342220421012 is a wasteful number, since it uses less digits than its factorization.

1342220421012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23153 (or 23151 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1342220421012 its reverse (2101240222431), we get a palindrome (3443460643443).

The spelling of 1342220421012 in words is "one trillion, three hundred forty-two billion, two hundred twenty million, four hundred twenty-one thousand, twelve".