142232132221000 has 64 divisors (see below), whose sum is σ = 352401024109680. Its totient is φ = 53546214476800.

The previous prime is 142232132220991. The next prime is 142232132221021. The reversal of 142232132221000 is 122231232241.

It can be written as a sum of positive squares in 8 ways, for example, as 49706701888804 + 92525430332196 = 7050298^2 + 9619014^2 .

It is a super-2 number, since 2×142232132221000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4183281007 + ... + 4183315006.

Almost surely, 2^{142232132221000} is an apocalyptic number.

142232132221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142232132221000 is an abundant number, since it is smaller than the sum of its proper divisors (210168891888680).

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

142232132221000 is a wasteful number, since it uses less digits than its factorization.

142232132221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8366596051 (or 8366596037 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 142232132221000 its reverse (122231232241), we get a palindrome (142354363453241).

The spelling of 142232132221000 in words is "one hundred forty-two trillion, two hundred thirty-two billion, one hundred thirty-two million, two hundred twenty-one thousand".