52212412402040 has 64 divisors (see below), whose sum is σ = 128873704752000. Its totient is φ = 18880262861440.

The previous prime is 52212412402019. The next prime is 52212412402067. The reversal of 52212412402040 is 4020421421225.

It is a super-2 number, since 2×52212412402040² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52212412401994 and 52212412402012.

It is a congruent number.

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, 331386530 + ... + 331544049.

It is an arithmetic number, because the mean of its divisors is an integer number (2013651636750).

Almost surely, 2^{52212412402040} is an apocalyptic number.

It is an amenable number.

52212412402040 is an abundant number, since it is smaller than the sum of its proper divisors (76661292349960).

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

52212412402040 is a wasteful number, since it uses less digits than its factorization.

52212412402040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662930780 (or 662930776 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 52212412402040 its reverse (4020421421225), we get a palindrome (56232833823265).

The spelling of 52212412402040 in words is "fifty-two trillion, two hundred twelve billion, four hundred twelve million, four hundred two thousand, forty".