401210121012104 has 8 divisors (see below), whose sum is σ = 752268976897710. Its totient is φ = 200605060506048.

The previous prime is 401210121012097. The next prime is 401210121012109.

401210121012104 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 301988002351204 + 99222118660900 = 17377802^2 + 9961030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×401210121012104² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401210121012109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25075632563249 + ... + 25075632563264.

Almost surely, 2^{401210121012104} is an apocalyptic number.

It is an amenable number.

401210121012104 is a deficient number, since it is larger than the sum of its proper divisors (351058855885606).

401210121012104 is a wasteful number, since it uses less digits than its factorization.

401210121012104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50151265126519 (or 50151265126515 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 401210121012104 in words is "four hundred one trillion, two hundred ten billion, one hundred twenty-one million, twelve thousand, one hundred four".