405215212106 has 16 divisors (see below), whose sum is σ = 610892440704. Its totient is φ = 201585712224.

The previous prime is 405215212097. The next prime is 405215212111. The reversal of 405215212106 is 601212512504.

It is a super-2 number, since 2×405215212106² (a number of 24 digits) contains 22 as substring.

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, 290741 + ... + 946023.

It is an arithmetic number, because the mean of its divisors is an integer number (38180777544).

Almost surely, 2^405215212106 is an apocalyptic number.

405215212106 is a deficient number, since it is larger than the sum of its proper divisors (205677228598).

405215212106 is a wasteful number, since it uses less digits than its factorization.

405215212106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656845.

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 405215212106 in words is "four hundred five billion, two hundred fifteen million, two hundred twelve thousand, one hundred six".