101402404012 has 48 divisors (see below), whose sum is σ = 221985639232. Its totient is φ = 39457601280.

The previous prime is 101402404007. The next prime is 101402404063. The reversal of 101402404012 is 210404204101.

It is a super-2 number, since 2×101402404012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2261223 + ... + 2305630.

Almost surely, 2^101402404012 is an apocalyptic number.

It is an amenable number.

101402404012 is an abundant number, since it is smaller than the sum of its proper divisors (120583235220).

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

101402404012 is a wasteful number, since it uses less digits than its factorization.

101402404012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4566938 (or 4566936 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 101402404012 its reverse (210404204101), we get a palindrome (311806608113).

The spelling of 101402404012 in words is "one hundred one billion, four hundred two million, four hundred four thousand, twelve".