1401212020142 has 16 divisors (see below), whose sum is σ = 2299500168192. Its totient is φ = 635079062520.

The previous prime is 1401212020081. The next prime is 1401212020223. The reversal of 1401212020142 is 2410202121041.

It is a super-2 number, since 2×1401212020142² (a number of 25 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, 91766798 + ... + 91782065.

It is an arithmetic number, because the mean of its divisors is an integer number (143718760512).

Almost surely, 2^{1401212020142} is an apocalyptic number.

1401212020142 is a deficient number, since it is larger than the sum of its proper divisors (898288148050).

1401212020142 is a wasteful number, since it uses less digits than its factorization.

1401212020142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183549223.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1401212020142 its reverse (2410202121041), we get a palindrome (3811414141183).

The spelling of 1401212020142 in words is "one trillion, four hundred one billion, two hundred twelve million, twenty thousand, one hundred forty-two".