126190268690 has 16 divisors (see below), whose sum is σ = 227597688000. Its totient is φ = 50374950960.

The previous prime is 126190268663. The next prime is 126190268717. The reversal of 126190268690 is 96862091621.

It is an interprime number because it is at equal distance from previous prime (126190268663) and next prime (126190268717).

It is a super-2 number, since 2×126190268690² (a number of 23 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, 12639326 + ... + 12649305.

It is an arithmetic number, because the mean of its divisors is an integer number (14224855500).

Almost surely, 2^126190268690 is an apocalyptic number.

126190268690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126190268690 is a deficient number, since it is larger than the sum of its proper divisors (101407419310).

126190268690 is a wasteful number, since it uses less digits than its factorization.

126190268690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25289137.

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 126190268690 in words is "one hundred twenty-six billion, one hundred ninety million, two hundred sixty-eight thousand, six hundred ninety".