1401212212011 has 32 divisors (see below), whose sum is σ = 2077809195840. Its totient is φ = 933269299200.

The previous prime is 1401212211979. The next prime is 1401212212031. The reversal of 1401212212011 is 1102122121041.

1401212212011 is a `hidden beast` number, since 1 + 401 + 21 + 221 + 20 + 1 + 1 = 666.

It is not a de Polignac number, because 1401212212011 - 2⁵ = 1401212211979 is a prime.

It is a super-2 number, since 2×1401212212011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1401212212031) 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, 162154251 + ... + 162162891.

It is an arithmetic number, because the mean of its divisors is an integer number (64931537370).

Almost surely, 2^{1401212212011} is an apocalyptic number.

1401212212011 is a deficient number, since it is larger than the sum of its proper divisors (676596983829).

1401212212011 is a wasteful number, since it uses less digits than its factorization.

1401212212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13564 (or 13558 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1401212212011 its reverse (1102122121041), we get a palindrome (2503334333052).

The spelling of 1401212212011 in words is "one trillion, four hundred one billion, two hundred twelve million, two hundred twelve thousand, eleven".